APA Style

Harmer, Jeremy. (2012). Essential Teacher Knowledge : Core Concepts in English Language Teaching . Essex: Pearson Education.

Chicago Style

Harmer, Jeremy. Essential Teacher Knowledge : Core Concepts in English Language Teaching. Essex: Pearson Education, 2012. Text.

MLA Style

Harmer, Jeremy. Essential Teacher Knowledge : Core Concepts in English Language Teaching. Essex: Pearson Education, 2012. Text.

Turabian Style

Harmer, Jeremy. Essential Teacher Knowledge : Core Concepts in English Language Teaching. Essex: Pearson Education, 2012. Print.