APA-Zitierstil (7. Ausg.)

Oller, J. W., & Richards, J. C. (1973). Focus on the learner: Pragmatic perspectives for the language teacher. Newbury House Publishers.

Chicago-Zitierstil (17. Ausg.)

Oller, John W., und Jack C. Richards. Focus on the Learner: Pragmatic Perspectives for the Language Teacher. Rowley: Newbury House Publishers, 1973.

MLA-Zitierstil (9. Ausg.)

Oller, John W., und Jack C. Richards. Focus on the Learner: Pragmatic Perspectives for the Language Teacher. Newbury House Publishers, 1973.