APA (7 वां संस्करण) प्रशस्ति पत्र

Ahmed, S. (2010). Learning english: The easy way. Friends' Book.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Ahmed, Sadruddin. Learning English: The Easy Way. Dhaka: Friends' Book, 2010.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Ahmed, Sadruddin. Learning English: The Easy Way. Friends' Book, 2010.