Holt, P. M., & Daly, M. W. (1988). History of the sudan: From the coming of islam to the present day 4th ed. (Fourth edtion.). London ; New York: Longman.
استشهاد بنمط شيكاغوHolt, P. M., و M. W. Daly. History of the Sudan: From the Coming of Islam to the Present Day 4th Ed. Fourth edtion. London ; New York: Longman, 1988.
MLA استشهادHolt, P. M., و M. W. Daly. History of the Sudan: From the Coming of Islam to the Present Day 4th Ed. Fourth edtion. London ; New York: Longman, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.