Gaya APA

AL-HUMAIDI, A, A, B, A. (2015). UMAR BIN KHATHTHAB (Edisi Pertama). : TINTA MEDINA.

Gaya MLA

AL-HUMAIDI, ABDUL, AZIZ, BIN, ABDULLAH. "UMAR BIN KHATHTHAB". Edisi Pertama : TINTA MEDINA, 2015. Text.