APA (7 वां संस्करण) प्रशस्ति पत्र

Khan, I. (1990). Research in teaching English. Ashish.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Khan, Inayat. Research in Teaching English. New Delhi: Ashish, 1990.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Khan, Inayat. Research in Teaching English. Ashish, 1990.