Cita APA (7th ed.)

Harmer, J. (2007). The practice of english language teaching (Fourth Edition.). Pearson Longman ELT.

Cita Chicago (17th ed.)

Harmer, Jeremy. The Practice of English Language Teaching. Fourth Edition. Harlow: Pearson Longman ELT, 2007.

Cita MLA (9th ed.)

Harmer, Jeremy. The Practice of English Language Teaching. Fourth Edition. Pearson Longman ELT, 2007.