DENFFER, A. V. (1985). Research in Islam: Basics, principles and practicalsuggestions. The Islamic Foudation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDENFFER, Ahmad Von. Research in Islam: Basics, Principles and Practicalsuggestions. London: The Islamic Foudation, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDENFFER, Ahmad Von. Research in Islam: Basics, Principles and Practicalsuggestions. The Islamic Foudation, 1985.
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