5Biber, D., S. Johansson, G. Leech, S. Conrad & E. Finegan. Longman Grammar of Spoken and Written English [M]. Harlow: Pearson Education, 1999.
6Bloch, ,J. & L. Chi. A comparison of the use of citations in Chinese and English academic discourse [ C ] // D. Belcher & G. Braine. Academic Writing in a Second Language. Norwood, NJ: Ablex, 1995:231-274.
7Bruce, N. The roles of analysis and the conceptual matrix in a process approach to teaching academic study and communication skills [ C ] // V, Biekley. Language Teaching and Learning Styles Within and Across Cultures. Hong Kong : Institute of Language in Education, 1989:236-265.
8Charles, M. Phraseological patterns in reporting clauses used in citation : A corpus-based study of theses in two disciplines [J]. English for Specific Purposes, 2006a, 25 (3) : 310-331.
9Charles, M. The construction of stance in reporting clauses : A cross-disciplinary study of these [ J ]. Applied Linguistics, 2006b, 27 (7): 492-518.
10Gilbert, G. Referencing as persuasion [ J]. Social Studies of Sciences, 1977, (7): 113-122.
