2Biber, D. et al. Longman Grammar of Spoken and Written English [ M ]. Harlow : Pearson Edu- cation, 1999.
3Bloch, J. & L. Chi. A comparison of the use of citations in Chinese and English academic dis- course[ A]. In D. Belcher & G. Braine (eds.). Academic Writing in a Second Language [ C ]. Norwood: Ablex Publishing Corporation, 1995. 231 - 274.
4Charles, M. Phraseological patterns in reporting clauses used in citation: A corpus-based study of theses in two disciplines [ J]. English for Specific Purposes, 2006a, (3): 310-331.
5Charles, M. The construction of stance in repor- ting clauses: A cross-disciplinary study of theses [ J ]. Applied Linguistics, 2006b, ( 3 ) : 492 - 518.
6Conrad, S. , & D. Biber. Adverbial marking of stance in speech and writing[ A ]. In S. Hunston & G. Thompson (eds.). Evaluation in Text: Authorial Stance and the Construction of Discourse [ C ]. Oxford : Oxford University Press, 2000. 56 -73.
7Hunston, S. Evaluation and ideology in scientific writing[A]. In M. Ghadessy (ed.). RegisterA- nalysis : Theory and Practice [ C ]. London : Pin- ter, 1993. 57-73.
8Hunston, S. Evaluation and organization in a sample of written academic discourse[ A]. In M. Coulthard (ed.). Advances in Written Text Anal- ysis [C. London: Routledge, 1994. 191-218.
9Hunston, S. A corpus study of some verbs of at- tribution [ J ]. Functions of Language, 1995, (2) : 133 - 158.
10Hunston, S. & G. Thompson. Evaluation in Text: Authorial Stance Discourse [ C ]. Oxford : 2000. and the Construction of Oxford University Press,.