Wae Sabri Wae Yusof. (1987). Ibn Khaldun: His contribution on economic thought. : International Islamic University Malaysia.
Chicago Style (17th ed.) CitationWae Sabri Wae Yusof. Ibn Khaldun: His Contribution on Economic Thought. Petaling Jaya: : International Islamic University Malaysia, 1987.
MLA引文Wae Sabri Wae Yusof. Ibn Khaldun: His Contribution on Economic Thought. : International Islamic University Malaysia, 1987.
警告:這些引文格式不一定是100%准確.