Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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