APA (7th ed.) Citation

Krashen, S. D., & Terrell, T. D. (1983). The natural approach: Language acquisition in the classroom (1. ed.). Pergamon Press [u.a.].

Chicago Style (17th ed.) Citation

Krashen, Stephen D., and Tracy D. Terrell. The Natural Approach: Language Acquisition in the Classroom. 1. ed. Oxford [u.a.]: Pergamon Press [u.a.], 1983.

MLA (9th ed.) Citation

Krashen, Stephen D., and Tracy D. Terrell. The Natural Approach: Language Acquisition in the Classroom. 1. ed. Pergamon Press [u.a.], 1983.