APA (7th ed.) Zitazioa

Harmer, J. (2004). How to teach writing. Pearson.

Chicago Style (17th ed.) Zitazioa

Harmer, Jeremy. How to Teach Writing. Harlow: Pearson, 2004.

MLA (9th ed.) Zitazioa

Harmer, Jeremy. How to Teach Writing. Pearson, 2004.