APA-Zitierstil (7. Ausg.)

Krashen, S. D., & Terrell, T. D. (1995). The natural approach: Language acquisition in the classroom ([8. print.].). Regents/Prentice Hall.

Chicago-Zitierstil (17. Ausg.)

Krashen, Stephen D., und Tracy D. Terrell. The Natural Approach: Language Acquisition in the Classroom. [8. print.]. Englewood Cliffs, N.J: Regents/Prentice Hall, 1995.

MLA-Zitierstil (9. Ausg.)

Krashen, Stephen D., und Tracy D. Terrell. The Natural Approach: Language Acquisition in the Classroom. [8. print.]. Regents/Prentice Hall, 1995.