外文著作 Graddol, D. & J. Swannn (1989) Gender Voice. Oxford: Blackwell.
外文期刊论文Smith, C. (1983) A theory of aspectual choice. Language 59. 3, 479 - 501.
外文论文集 Hopper, P. (ed.) (1984) Tense and Aspect: Between Semantics and Pragmatics. Amsterdam: John Benjamins Company.
外文论文集论文 Langacker, R. W. (1982) Remarks on English aspect. In P. Hopper (ed.) , Tense and Aspect: Between Semantic s and Pragmatics, 265- 304. Amsterdam: John Benjamins Company.
外文学位论文 Yang, Suying (1995) The aspectual system of Chinese. Unpublished Ph. D. Thesis at University of Victoria.
外文会议论文 Jochens, J. (1992) Gender equality in law: The case of medieval Iceland. Paper presented at the 26 th Annual Conference of the Center for Medieval and Early Renaissance Studies, Binghamton, NY.