Gaya APA

Jabal, N, S. (2013). Umar bin Khaththab (Cet.III). Jakarta: Perisai Qur'an.

Gaya MLA

Jabal, Nizar, Sa'ad. "Umar bin Khaththab". Cet.III Jakarta: Perisai Qur'an, 2013. Text.