APA (7. basım) Alıntı
Krashen Stephen D. (1988). Second language acquisition and second language learning. Prentice-Hall.
Chicago Style (17. basım) Atıf
Krashen Stephen D. Second Language Acquisition and Second Language Learning. New York: Prentice-Hall, 1988.
MLA (9th ed.) Atıf
Krashen Stephen D. Second Language Acquisition and Second Language Learning. Prentice-Hall, 1988.
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