Caksu, A. (1999). Casuality in history: Ibn Khaldun's and Hegel's transformation of Aristotelian causes. International Institute of Islamic Thought and Civilization (ISTAC).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Caksu, Ali. Casuality in History: Ibn Khaldun's and Hegel's Transformation of Aristotelian Causes. Kuala Lumpur: International Institute of Islamic Thought and Civilization (ISTAC), 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Caksu, Ali. Casuality in History: Ibn Khaldun's and Hegel's Transformation of Aristotelian Causes. International Institute of Islamic Thought and Civilization (ISTAC), 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.