4Alexander, R. Business English in Europe: Student Requirements and Course Delivery [ A ]. In Hewing's, M. and Nickerson, C. (eds) Business English: Research into Practice [ C ]. Longman : England, 1999 : 3 - 13.
5Brieger, N. Teaching Business English Handbook [ M ].York : York Associates, 1997.
6Brinton, D. , M. Snow and M. Wesche. Content-based Second Language Instruction [ M ]. New York : Newbury House,1989.
7Crandall, J. & G. R. Tucker. Content-Based instruction in second and foreign languages [ A ]. In Amado Padilla, Hatford H. Fairchild and Concepcion Valadez (eds.). Foreign Language Education : Issues and strategies [ C ]. Newbury Park, 1990.
8Dudley-Evans, T. & M.J. St John. Developments in English for Specific Purposes: A Multi-Disciplinary Approach[ M ]. Cambridge : Cambridge University Press, 1998.