Dyfyniad APA

Harmer, J. (2007). The practice of English language teaching (4th ed.). Pearson Longman.

Dyfyniad Arddull Chicago

Harmer, Jeremy. The Practice of English Language Teaching. 4th ed. Harlow, England: Pearson Longman, 2007.

Dyfyniad MLA

Harmer, Jeremy. The Practice of English Language Teaching. 4th ed. Pearson Longman, 2007.

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