Cita APA (7th ed.)

Harmer, J. (2007). The practice of english language teaching (Cuarta Edición.). Pearson.

Cita Chicago (17th ed.)

Harmer, Jeremy. The Practice of English Language Teaching. Cuarta Edición. Sussex: Pearson, 2007.

Cita MLA (9th ed.)

Harmer, Jeremy. The Practice of English Language Teaching. Cuarta Edición. Pearson, 2007.