Harmer, J. (2015). The practice of English language teaching (Fifth edition.). Pearson/Longman.
Citazione stile Chigago Style (17a edizione)Harmer, Jeremy. The Practice of English Language Teaching. Fifth edition. Harlow, England: Pearson/Longman, 2015.
Citatione MLA (8a ed.)Harmer, Jeremy. The Practice of English Language Teaching. Fifth edition. Pearson/Longman, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.