5[1]Anderson R. Transfer to somewhere [A]. S Gass, L Selinker (eds.). Language Transfer in Language Learning[C]. Rowley, MA: NewburyHouse, 1983.
6[2]Gorder S P. Error Analysis and Interlanguage [M].Oxford: Oxford Uni versity Press, 1981.
7[3]Corder S P. A role for the mother tongue [ A ]. S Gass, L Selinker (eds.).Language Transfer in Language Learning[G]. Rowley, MA:Newbury House, 1983.
8[4]Dulay H, Burt M. Natural sequences in child secod language acquisition[J]. Language Learning, 1974,(24):37-53.
9[5]Elis R. The Study of Second Language Acquisition[M]. Oxford: Oxford University Press, 1994.
10[6]Faerch C, Kasper G. Perspective on language transfer[J]. Applied Linguistics, 1987,8(2): 111-36.