Cita APA (7a ed.)

Harmer, J. (2010). How to teach English (New ed. [6th impression].). Pearson-Longman.

Cita Chicago Style (17a ed.)

Harmer, Jeremy. How to Teach English. New ed. [6th impression]. Harlow: Pearson-Longman, 2010.

Cita MLA (9a ed.)

Harmer, Jeremy. How to Teach English. New ed. [6th impression]. Pearson-Longman, 2010.