Halabi, K. M. A. (2013). Ibn Khaldun's theory of knowledge and its educational implications. Institute of Education, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Halabi, Khaled M. A. Ibn Khaldun's Theory of Knowledge and Its Educational Implications. Kuala Lumpur: Institute of Education, International Islamic University Malaysia, 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Halabi, Khaled M. A. Ibn Khaldun's Theory of Knowledge and Its Educational Implications. Institute of Education, International Islamic University Malaysia, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.