Ellis, R. 2008. The Study of Second Language Acquisition (2nd ed.)[M]. Oxford: Oxford University Press. Gass, S. & A. Mackey. 2012. The Routledge Handbook of Second Language Acquisition [M]. London & New York: Routledge. 秦丽莉、戴炜栋.2013.二语习得社会文化理论框架下的“生态化”任务型语言教学研究[J].外语与外语教学(2):41-46.