Cita APA (7th ed.)

Harmer, J. (2015). The practice of english language teaching (Fifth Edition.). Pearson.

Cita Chicago (17th ed.)

Harmer, Jeremy. The Practice of English Language Teaching. Fifth Edition. Harlow: Pearson, 2015.

Cita MLA (9th ed.)

Harmer, Jeremy. The Practice of English Language Teaching. Fifth Edition. Pearson, 2015.