Harmer, J. (2004). How to teach writing. Pearson Education.
Chicago Style (17th ed.) ZitazioaHarmer, Jeremy. How to Teach Writing. Essex: Pearson Education, 2004.
MLA (9th ed.) ZitazioaHarmer, Jeremy. How to Teach Writing. Pearson Education, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.