5Bachman, L. F. 1990, Fundamental Considerations in Language Testing [M ]. Oxford: Oxford University Press.
6Bachman, L. F. 2004. Statistical Analyses for Language Assessment [ M ]. Cambridge. Cambridge University Press,
7Bachman, L. F, & A. Kunnan. 2005. Statistical Analyses for Language Assessment Workbook [M ]. Cambridge: Cambridge University Press.
8Cohen, A. 1980. Testing Language Ability in the Classroom. [M]. Newbury House Publishers, Inc.
9Canale, M. 1983. On some dimensions of language proficiency [A]. In J. Oiler (ed.). Issues in Language Testing Research [ C ]. Rowley, Mass: Newbury House, 333-342.
10Canale, M. & M. Swain. 1980. Theoretical bases of communicative approaches to second language teaching and testing [J]. Applied Linguistics 1:1-47.