APA ציטוט

 Harmer, J. (2012).  Essential Teacher Knowledge: Core concepts in english language teaching.  Pearson Education Limited.

Trích dẫn kiểu Chicago

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

ציטוט MLA

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