एपीए उद्धरण

Harmer, J. (2007). The practice of English language teaching. Harlow, England: Pearson Longman.

शिकागो स्टाइल उद्धरण

Harmer, Jeremy. The Practice of English Language Teaching. Harlow, England: Pearson Longman, 2007.

एमएलए उद्धरण

Harmer, Jeremy. The Practice of English Language Teaching. Harlow, England: Pearson Longman, 2007.