(1958). Islam: Muhammad and his religion. Liberal Arts Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIslam: Muhammad and His Religion. New York: Liberal Arts Press, 1958.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIslam: Muhammad and His Religion. Liberal Arts Press, 1958.
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