Gaya APA

Isawi, C., Khaldun, A, R, B. (1950). An Arab Philosophy of History : Selections from the Prolegomena of Ibnu Khaldun of Tunis (1332-1406) . London: Murray Books.

Gaya MLA

Isawi, Charles., Khaldun, Abdur, Rahman, Bin. "An Arab Philosophy of History : Selections from the Prolegomena of Ibnu Khaldun of Tunis (1332-1406)". London: Murray Books, 1950. Elektronik/Digital.