زيدان, ج. (1987). Umayyads and `Abbasids: Being the fourth part of Jurji Zaydan's History of Islamic civilization. Darf.
Chicago Style (17th ed.) Citationزيدان, جرجي. Umayyads and `Abbasids: Being the Fourth Part of Jurji Zaydan's History of Islamic Civilization. London: Darf, 1987.
MLA (9th ed.) Citationزيدان, جرجي. Umayyads and `Abbasids: Being the Fourth Part of Jurji Zaydan's History of Islamic Civilization. Darf, 1987.
Warning: These citations may not always be 100% accurate.