APA (7 वां संस्करण) प्रशस्ति पत्र

Ahmad, G., & Shahabuddin,Md. (2000). Practical physics: For degree students (4th ed.). Hafiz Book Centre.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Ahmad, Giasuddin, और Shahabuddin,Md. Practical Physics: For Degree Students. 4th ed. Dhaka: Hafiz Book Centre, 2000.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Ahmad, Giasuddin, और Shahabuddin,Md. Practical Physics: For Degree Students. 4th ed. Hafiz Book Centre, 2000.