Gaya APA

Aqqad, A, M, A., Ummah, G, A. (2002). Kejeniusan Umar bin Khaththab = Abqariyatu Umar (Cet. 1). Jakarta Selatan: Pustaka Azzam.

Gaya MLA

Aqqad, Abbas, Mahmud, Al., Ummah, Gazirah, Abdi. "Kejeniusan Umar bin Khaththab = Abqariyatu Umar". Cet. 1 Jakarta Selatan: Pustaka Azzam, 2002. Text.