Southern R.W. (1978). Western Views of Islam in the Middle ages (ed.). Harvard University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSouthern R.W. Western Views of Islam in the Middle Ages. ed. Massachusetts: Harvard University Press, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSouthern R.W. Western Views of Islam in the Middle Ages. ed. Harvard University Press, 1978.
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