APA Style

Ash-Shallabi, A, M., All, K, A, H, E. (2008). Biografi Umar bin Khathab / Ali Muhammad Ash-Shallabi (Cet.1). Jakarta: Pustaka Al-Kautsar,.

MLA Style

Ash-Shallabi, Ali, Muhammad., All, Khoirul, Amru, Harahap,, Et.. "Biografi Umar bin Khathab / Ali Muhammad Ash-Shallabi". Cet.1 Jakarta: Pustaka Al-Kautsar,, 2008. Text.