4Selinker, L. Interlanguage[J], IRAL 1972,10/3 :209 - 231.
5Corder, S. P. The significance of learners' errors. International Review of Applied Linguistics 1967,5:161-169.
6Corder, S.P. 1971a. Idiosyncratic dialects and error analysis. In Svartvik, J. (ed.)(1973) Errata:Papers in Error Analysis and In the International Review of Applied Linguistics. IX N02. 1971. University of Upsalla Press.
7Nemser, W. Approximate systems of foreign language learners. IRAL 1971,9/2:115-123.
8Dewaele, Jean- Marco. Lexical Inventions: French Interlanguage as L2 versus L3 [J ]. Applied Linguistics 1998, 19/4: 471-490.
9Selinker, Larry ,On the notion of "IL competence" in early SLA research: an aid to understanding some baffling current issues. In Performance & Competence in SLA. (eds.) G. Brown et al. Cambridge:CUP. 1996.
10Oberg, Kalervo. Cultural Shock. JLIC Teaching, 1990, May,4/22 - 26.