APA-Zitierstil (7. Ausg.)

Krashen, S. D. (1988). Second language acquisition and second language learning (1. publ.). Prentice Hall.

Chicago-Zitierstil (17. Ausg.)

Krashen, Stephen D. Second Language Acquisition and Second Language Learning. 1. publ. New York, NY [u.a.]: Prentice Hall, 1988.

MLA-Zitierstil (9. Ausg.)

Krashen, Stephen D. Second Language Acquisition and Second Language Learning. 1. publ. Prentice Hall, 1988.