Gaya APA

Baali, F., Wardi, A. (1981). Ibn Khaldun and Islamic Thought-Styles A Social Perspective . United States of America: the asia foundation.

Gaya MLA

Baali, Fuad., Wardi, Ali. "Ibn Khaldun and Islamic Thought-Styles A Social Perspective". United States of America: the asia foundation, 1981. Text.