1Long, M.H. 1985. A role for instruction in second language acquisition: Tasked-based language teaching[A]. In K. Hyltenstam & M. Pienemann (eds.).Modelling and Assessing Second Language Acquisition [C]. Clevedon: Multilingual Matters.
2Long, M.H. 1991. Focus on form: A design feature in language teaching methodology [A]. In K. de Bot,R. Ginsberg & C. Kramsch (eds.). Foreign Language Research in Cross-cultural Perspective [ C ].Amsterdam/Philadelphia: John Benjamins.
3Long M.H. & J.M. Norris. 2000. Task-based language teaching and assessment [A]. In M. Byram (eds.).Encyclopedia of Language Teaching [C]. London:Routledge.
4Long, M.H. & P. Robinson. 1998. Focus on form:Theory, research, and practice [A]. In G. Doughty & J. Williams (eds.). Focus on Form in Classroom Second Language Acquisition [ C ]. Cambridge:Cambridge University Press.
5McNamara, T.T. 1996. Measuring Second Language Performance [M]. London: Longman.
6McNamara, T.T. 1997. Performance testing [A]. In C. Clapham & D. Corson ( eds. ). Encyclopedia of Language and Education, Volume 7: Language Testing and Assessment [C]. Dordrecht: Kluwer Academic Publishers.
7Messick, S. 1989. Validity [A]. In R.L. Linn (eds.).Educational Measurement, 3rd edition [C]. New York: American Council on Education and Macmillan.
8Norris, J.M., J.D. Brown, T. Hudson & J. Yoshioka. 1998. Designing Second Language Performance Assessments [ M]. (Vol. SLTCC Technical Report # 18). Honolulu: Second Language Teaching and Currictlum Center, University of Hawaii at Manoa.
9Nunna, D. 1991. Language Teaching Methodology[M]. London: Prentice Hall.
10Oller, J.W. Jr. 1979. Language Testsat School [M].London: Longman.