Near Eastern History Group, Oxford, University of Pennsylvania. Near East Center, & Richards, D. S. (1973). Islamic civilisation, 950-1150: A colloquium published under the auspices of the Near Eastern History Group, Oxford, the Near East Center, University of Pennsylvania. Cassirer ; Distributed by Faber.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Near Eastern History Group, Oxford, University of Pennsylvania. Near East Center, و D. S. Richards. Islamic Civilisation, 950-1150: A Colloquium Published Under the Auspices of the Near Eastern History Group, Oxford, the Near East Center, University of Pennsylvania. Oxford : London: Cassirer ; Distributed by Faber, 1973.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Near Eastern History Group, Oxford, et al. Islamic Civilisation, 950-1150: A Colloquium Published Under the Auspices of the Near Eastern History Group, Oxford, the Near East Center, University of Pennsylvania. Cassirer ; Distributed by Faber, 1973.