Cita APA (7a ed.)
Harmer, J. (2006). The practice of English language teaching (3rd ed., completely rev & updated, [4th pr.].). Longman.
Cita Chicago Style (17a ed.)
Harmer, Jeremy. The Practice of English Language Teaching. 3rd ed., completely rev & updated, [4th pr.]. Essex, England: Longman, 2006.
Cita MLA (9a ed.)
Harmer, Jeremy. The Practice of English Language Teaching. 3rd ed., completely rev & updated, [4th pr.]. Longman, 2006.
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