APA (7 वां संस्करण) प्रशस्ति पत्र
Ahmad, G., & Shahabuddin, M. (1992). Practical Physics: For degree students (3rd rev. enl. ed.). Hafiz Book Center.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Ahmad, Gasuddin, और Md Shahabuddin. Practical Physics: For Degree Students. 3rd rev. enl. ed. Dhaka: Hafiz Book Center, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Ahmad, Gasuddin, और Md Shahabuddin. Practical Physics: For Degree Students. 3rd rev. enl. ed. Hafiz Book Center, 1992.
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