APA (7 वां संस्करण) प्रशस्ति पत्र

Harmer, J. (2015). The practice of English language teaching (Fifth edition.). Pearson/Longman.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Harmer, Jeremy. The Practice of English Language Teaching. Fifth edition. Harlow, England: Pearson/Longman, 2015.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Harmer, Jeremy. The Practice of English Language Teaching. Fifth edition. Pearson/Longman, 2015.