Analysis of information sources in references of the Wikipedia article "Second language" in English language version.
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{{cite journal}}: CS1 maint: periodical has ISBN (link){{cite journal}}: CS1 maint: DOI inactive as of June 2026 (link) Selinker, L. (1972). "Interlanguage". International Review of Applied Linguistics. 10 (1–4): 209–241. doi:10.1515/iral.1972.10.1-4.209. Selinker, Larry; Lamendella, John T. (1978). "Two perspectives on fossilization in interlanguage learning". Interlanguage Studies Bulletin. 3 (2): 143–191. JSTOR 43136004.{{cite journal}}: Cite uses deprecated parameter |citeseerx= (help){{cite journal}}: CS1 maint: DOI inactive as of June 2026 (link) Selinker, L. (1972). "Interlanguage". International Review of Applied Linguistics. 10 (1–4): 209–241. doi:10.1515/iral.1972.10.1-4.209. Selinker, Larry; Lamendella, John T. (1978). "Two perspectives on fossilization in interlanguage learning". Interlanguage Studies Bulletin. 3 (2): 143–191. JSTOR 43136004.{{cite journal}}: CS1 maint: DOI inactive as of June 2026 (link) Selinker, L. (1972). "Interlanguage". International Review of Applied Linguistics. 10 (1–4): 209–241. doi:10.1515/iral.1972.10.1-4.209. Selinker, Larry; Lamendella, John T. (1978). "Two perspectives on fossilization in interlanguage learning". Interlanguage Studies Bulletin. 3 (2): 143–191. JSTOR 43136004.{{cite journal}}: Cite uses deprecated parameter |citeseerx= (help){{cite journal}}: Cite uses deprecated parameter |citeseerx= (help)