Gaya APA

Shallabi, A, M, A. (2014). Biografi Umar Bin Khattab (cet.1). Jakarta_: BEIRUT.

Gaya MLA

Shallabi, Ali, Muhammmad, Ash. "Biografi Umar Bin Khattab". cet.1 Jakarta_: BEIRUT, 2014. Buku Teks.