2[17]Trubetzkoy,N.Die phonologischen systeme[J].Travaux du Cercle Linguistique de Prague 4(1931):96-116.
3[18]Zobl,H.Markedness and the projection problem[J].Language learning 33(1983):293-313.
4[2]Chomsky,N.Markedness and core grammar[A].In A.Belleti,L.Brandi & L.Rizzi(eds.)Theory of Markedness in Generative Grammar[C].Pisa,Italy:Scuola Normale Superiore,1981:123-146.
5[3]Coleman,L.& P.Kay.Prototype semantics:The English word‘lie'[J].Language 55(1981):26-44.
6[4]Dulay, H.& M.Burt. You can't learn without goofing [A]. In J.Richards (ed.)Error Analysis[C].London:Longman,1974.
7[5]Eckman, F. Markedness and the contrastive analysis hypothesis [J]. Language Learning 27 (1977): 315-30.
8[6]Ellis, R. The Study of Second Language Acquisition [M]. Oxford: Oxford University Press, 1994.
9[7]Halliday, M.A.K. An Introduction to Functional Grammar [M]. London: Edward Arnold, 1985/1994.
10[8]Hyltenstam, K. The use of typological markedness conditions as predictors in second language acquisition: the case of pronominal copies in relative clauses [A]. In R.Andersen (ed.) Second Language: a Crosslinguistic Perspective [C]. Rowley, Mass.: Newbury House, 1984.
2Eckman F R. Markedness and the Contrastive Analysis Hypothesis [ J ]. Language Learning, 1977 (27) : 315 - 330.
3Zobl H. Markedness and the Projection Problem[ J]. Language Learning, 1983 (33) :293 -313.
4Kelleman-Cohen D. Systematieity and Variation in the Non-native Child's Acquisition of Conversational Skills[J]. Language Learning, 1979 (29) :27 - 44.
5White L. Markedness and Second Language Acquisition: the Question of Transfer[ J]. Studies in Second Language Acquisi- tion, 1987 (9) :261 - 286.
6Sposky B. Conditions for Second Language Learning[ M ]. London : Oxford University Press, 1989:32 - 48.
