APA (7 वां संस्करण) प्रशस्ति पत्र

Ahmed,Giasuddin, & Shahabuddin, M. (2000). Practical physics: For degree students (Fourth edition.). Hafiz book centre.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Ahmed,Giasuddin, और Md Shahabuddin. Practical Physics: For Degree Students. Fourth edition. Dhaka: Hafiz book centre, 2000.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Ahmed,Giasuddin, और Md Shahabuddin. Practical Physics: For Degree Students. Fourth edition. Hafiz book centre, 2000.