एपीए उद्धरण

Harmer, J. (2006). How to teach writing. Pearson Longman.

शिकागो स्टाइल उद्धरण

Harmer, Jeremy. How to Teach Writing. Pearson Longman, 2006.

एमएलए उद्धरण

Harmer, Jeremy. How to Teach Writing. Pearson Longman, 2006.