APA aipamena

 Harmer, J. (2007).  How to teach English.  Pearson.

Chicago Style aipamena

 Harmer, Jeremy.  How to Teach English.  Pearson, 2007.

MLA aipamena

 Harmer, Jeremy.  How to Teach English.  Pearson, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.