APA Style

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

Chicago Style

Oller, John W, Richards, Jack C. Focus on the learner : Pragmatic perspectives for the language teacher. Amerika: Newbury House Publishers, 1973. Text.

MLA Style

Oller, John W, Richards, Jack C. Focus on the learner : Pragmatic perspectives for the language teacher. Amerika: Newbury House Publishers, 1973. Text.

Turabian Style

Oller, John W, Richards, Jack C. Focus on the learner : Pragmatic perspectives for the language teacher. Amerika: Newbury House Publishers, 1973. Print.