Raymond, André (2001). Cairo: City of History. Harvard. Translated by Willard Wood. Cairo, Egypt; New York: American University in Cairo Press. s. 191. ISBN978-977-424-660-9.
doi.org
Holt, P. M.; Gray, Richard (1975). Roland Oliver (Ed.). "Egypt, the Funj and Darfur". The Cambridge History of Africa. London, New York, Melbourne: Cambridge University Press. IV: 14-57. doi:10.1017/CHOL9780521204132.003. ISBN978-1-139-05458-4.KB1 bakım: Editörler parametresini kullanan (link)