7Dudley-Evans T & MJ St, John. Developments in English for Specific Purposes: A Multi-Disciplinary Approach[M]. Cambridge: Cambridge University Press, 1998.
8Gibbons M et al. The New Production of Knowledge: The Dynamics of Scierwe and Research in Contemporary Societies[M]. London : Sage Publications, 1994.
9Hutchinson Tom & Waters Alan. English for Specific Purposes [M]. Shanghai: Shanghai Foreign Language Education Press, 2002.
10David Nunan. Second Language Teaching & Learning [ M ]. United States of America: Heinle & Heinle Publishers, 1999.