APA引文

Krashen, S. D. (1989). Language acquisition and language education. Prentice Hall International.

Chicago Style (17th ed.) Citation

Krashen, Stephen D. Language Acquisition and Language Education. New York: Prentice Hall International, 1989.

MLA引文

Krashen, Stephen D. Language Acquisition and Language Education. Prentice Hall International, 1989.