Harmer, J. (2007). The practice of English language teaching (4th ed.). Pearson Longman.
Cita Chicago (17th ed.)Harmer, Jeremy. The Practice of English Language Teaching. 4th ed. Harlow, England: Pearson Longman, 2007.
Cita MLA (8th ed.)Harmer, Jeremy. The Practice of English Language Teaching. 4th ed. Pearson Longman, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.