APA-viite (7. p.)

Harmer, J. (2015). The practice of english language teaching (Fifth Edition.). Pearson.

Chicago-viite (17. p.)

Harmer, Jeremy. The Practice of English Language Teaching. Fifth Edition. Harlow: Pearson, 2015.

MLA-viite (9. p.)

Harmer, Jeremy. The Practice of English Language Teaching. Fifth Edition. Pearson, 2015.