2Dudley-Evans T & MJ St, John. Developments in English for Specific Purposes: A Multi-Disciplinary Approach[M]. Cambridge: Cambridge University Press, 1998.
3Gibbons M et al. The New Production of Knowledge: The Dynamics of Scierwe and Research in Contemporary Societies[M]. London : Sage Publications, 1994.
4Hutchinson Tom & Waters Alan. English for Specific Purposes [M]. Shanghai: Shanghai Foreign Language Education Press, 2002.