Holt, P. M. (1961). A modern history of the Sudan: From the Funj Sultanate to the present day. Grove Press.
芝加哥风格引文Holt, Peter Malcolm. A Modern History of the Sudan: From the Funj Sultanate to the Present Day. New York: Grove Press, 1961.
MLA引文Holt, Peter Malcolm. A Modern History of the Sudan: From the Funj Sultanate to the Present Day. Grove Press, 1961.
警告：这些引文格式不一定是100％准确.