Trích dẫn APA

 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.

Trích dẫn MLA

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

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.