5Atkinson, D., Nishino, T., Churchill, E. & Okada,H. (2007) Alignment and interaction in sociocognitive approach to second language acquisition. The Modern Language Journal,91 : 169 - 188.
6Garrod, S. & Anderson, A. (1987) Saying what you mean in dialogue: A study in conceptual and semantic co-ordination. Cognition,27 ( 2 ) : 181 - 218.
7Garrod, S. & Picketing, M. J. (2004) Why is conversation so easy? Trends in Cognitive Sciences ,8:8 -11.
8Pickering, M. & Garrod,S. (2004) Toward a mechanistic psychology of dialogue. Behavioral and Brain Sciences ,27 : 169 - 226.
9Vygotsky, L. (1978) Mind in Society: The Development of Higher Psychological Processes. Cam- bridge: Harvard University Press.
10Skehan, P. 1998. A Cognitive Approach to Language Learning [M]. Oxford: Oxford University Press.
