1. Archer, M.(2000) Being Human: the problem of agency. Cambridge : Cambridge University Press.
2. Ashmore, R.(1997) Teacher Education in the People's Republic of China. Bloomington : Phi Delta Kappa Educational Foundation.
3. Becker, H. and Geer, B. and Hughes, E.(1961) Boys in White: student culture in medical school. Chicago : University of Chicago Press.
4. Beijaard, D. and Meijer, P. and Verloop, N. (2004) Reconsidering Research on Teachers' Professional Identity Teaching and Teacher Education, 20, pp. 107 - 128.
5. Biddle, B.(1979) Role Theory: expectations, identities and behaviour. New York : Academic Press.