Cita APA (7a ed.)

Harmer, J. (2014). How to teach writing (14th imp.). Pearson.

Cita Chicago Style (17a ed.)

Harmer, Jeremy. How to Teach Writing. 14th imp. Harlow, Essex: Pearson, 2014.

Cita MLA (9a ed.)

Harmer, Jeremy. How to Teach Writing. 14th imp. Pearson, 2014.