Aljaafreh, A., & Lantolf, J. (1994). Negative feedback as regulation and second language learning in the zone of proximal development. The Modern Language Journal, 78(4), 465–483.
Anton, M., & DiCamilla, F. (1999). Socio-cognitive functions of L1 collaborative interaction in the L2 classroom. Canadian Modern Language Review, 54(3), 314–342.
Brooks, F. B., & Donato, R. (1994). Vygotskyan approaches to understanding foreign language learner discourse during communicative tasks. Hispania, 77, 261–274.
Brooks, F. B., Donato, R., & McGlone, V. (1997). When are they going to say it right? Understanding learner talk during pair -work activity. Foreign Language Annals, 30(4), 524-541.
Buckwalter, (2001). Repair sequences in Spanish L2 dyadic discourse: A descriptive study, The Modern Language Journal, 85, 380-397.
Centeno-Cortes, B., & Jimenez, A. (2004). Problem-solving tasks in a foreign language: The importance of the L1 in private verbal thinking. International Journal of Applied Linguistics, 14(1), 7–35.
De Guerrero, M. C. M. de, & Villamil, O. S. (1994). Socialcognitive dimensions of interaction in L2 peer revision. The Modern Language Journal, 78, 484–496.
DiCamilla, F. J., & Anton, M. (2004). Private speech: A study of language for thought in the collaborative interaction of language learners. International Journal of Applied Linguistics, 14(1), 36-69.
Donato, R. (1994). Collective scaffolding in second language learning. In J. P. Lantolf & G. Appel (Eds.), Vygotskian approaches to second language research (pp. 33–56). Norwood, NJ: Ablex.
Ellis, R., & Barkhuizen, G. (2005). Anaylzing Learner Language. Oxford University Press.
Firth, A. (2009). Doing not being a foreign language learner: English as a lingua franca in the work place and (some) implications for SLA. IRAL, 127-156.
Foster, A. S., & Ohta, (2005). Negotiation for meaning and peers assistance in second language classrooms. Applied Linguistics, 26(3), 402-430.
Frawley, W., & Lantolf, J. P. (1985). L2 discourse: A Vygotskyan perspective. Applied Linguistics, 6, 19-44.
Lantolf, J. P., & Yanez, M. C. (2003). Talking yourself into Spanish: Intrapersonal communication and second language learning. Hispania, 86(1), 97-109.
Lantolf, J. P. (2009). Second language learning as a mediated process. Language Teaching, 33, 79-96.
Lapkin, S., Swain, M., & Smith, M. (2002). Reformulation and the learning of French pronominal verbs in a Canadian French immersion context. The Modern Language Journal, 86(4), 485–507.
McCafferty (1992). The use of private speech by adult second language learners: A Cross-Cultural Study. The Modern Language Journal, 76, 179-189.
Ohta, A. S. (2000). From acknowledgment to alignment: A longitudinal study of the development of expression of alignment by classroom learners of Japanese. In G. Kasper and K. Rose (Eds.), Pragmatics in language teaching (pp. 103-120). Cambridge: Cambridge University Press.
Platt, E., & Brooks, F. B. (1994). The acquisition-rich environment revisited. The Modern Language Journal, 78, 497-511.
Storch, N. (2008). Metatalk in a pair work activity: Level of engagement and implications for language development. Language Awareness, 17(2), 95-114.
Swain, M. (2005). The Output Hypothesis: Theory and research. In E. Hinkel (Ed.), Handbook of research in second language (pp. 471–483). Mahwah, NJ: LawrenceErlbaum
Swain, M. (2006). Languaging, agency and collaboration in advanced language proficiency. In H. Byrnes (Ed.), advanced language learning: The contribution of Halliday and Vygotsky (pp. 95–108). London, UK: Continuum.
Swain, M., & Lapkin, S. (1995) Problems in output and the cognitive processes they generate: A step towards second language learning. Applied Linguistics, 16, 371-391.
Swain, M., & Lapkin, S. (1998). Interaction and second language learning: Two adolescent French immersion students working together. The Modern Language Journal, 82, 320-337.
Swain, M., & Lapkin, S. (2002). Talking it through: Two French immersion learners’ response to reformulation. International Journal of Educational Research, 37, 285–304.
Villamil, O. S., & De Guerrero, M. C. M. (1996). Peer revision in the L2 classroom: Social-cognitive activities, mediating strategies and aspects of social behavior. Journal of Second Language Writing, 5(1), 51-75.
Vygotsky, L (1986). Thought and language. Boston: MIT Press.
Wells, G. (1999). Using L1 to master L2: A response to Anton and DiCamilla’s “Socio-cognitive functions of L1 collaborative interaction in the L2 classroom”. The Modern Language Journal, 83(2), 248-254.
Winsler, A., De Leon, J. R., Wallace, B., Carlton, M. P., & Willson-Quayle, A. (2003). Private speech in preschool children: Developmental stability and change, across-task consistency, and relations with classroom behavior. Journal of Child Language, 30, 583-608.
Winsler, A., Fernyhough, C., McClaren, E. M., & Way, E. (2005). Private speech coding manual. Unpublished manuscript, George Mason University. Retrieved from http:// classweb. gmu. edu/ awinsler/PSCodingManual.pdf.