एपीए उद्धरण

Harmer, J. (2007). How to teach English. Harlow: Pearson Longman.

शिकागो स्टाइल उद्धरण

Harmer, Jeremy. How to Teach English. Harlow: Pearson Longman, 2007.

एमएलए उद्धरण

Harmer, Jeremy. How to Teach English. Harlow: Pearson Longman, 2007.