Oller, J. W., & Richards, J. C. (1973). Focus on the learner: Pragmatic perspectives for the language teacher. Newbury House Publishers.
Citace podle Chicago (17th ed.)Oller, John W., a Jack C. Richards. Focus on the Learner: Pragmatic Perspectives for the Language Teacher. Rowley: Newbury House Publishers, 1973.
Citace podle MLA (9th ed.)Oller, John W., a Jack C. Richards. Focus on the Learner: Pragmatic Perspectives for the Language Teacher. Newbury House Publishers, 1973.
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