1Holec H. Autonomy and Foreign Language Learning [M].Oxford: Pergamon, 1981.
2Oxford,R.L.Language Learning Strategies: What Every Teacher Should Know [M] .New York: Newberry House, 1993.
3Nunan, D.Towards Autonomous Learning: Some Theoretical, Empirical and Practical Methods [A].Taking Control Autonomy in Language Learning. [M] .Cambridge:Cambridge University Press, 1996.