Gaya APA

Oller, John W, Richards, Jack C.. (1973). Focus on the Learner : Pragmatic Perspectives for the Language Teacher . U.S.A: Newbury House Publishers, Inc.

Gaya Chicago

Oller, John W, Richards, Jack C.. Focus on the Learner : Pragmatic Perspectives for the Language Teacher. U.S.A: Newbury House Publishers, Inc, 1973. Text.

Gaya MLA

Oller, John W, Richards, Jack C.. Focus on the Learner : Pragmatic Perspectives for the Language Teacher. U.S.A: Newbury House Publishers, Inc, 1973. Text.

Gaya Turabian

Oller, John W, Richards, Jack C.. Focus on the Learner : Pragmatic Perspectives for the Language Teacher. U.S.A: Newbury House Publishers, Inc, 1973. Print.