Gaya APA

al-Humaidi, D, A, A, B, A., Firdaus, M, R. (2015). Umar Bin Abdul Aziz (1). Solo: Tinta Media.

Gaya MLA

al-Humaidi, Dr., Abdul, Aziz, Bin, Abdullah., Firdaus, M., Roichan. "Umar Bin Abdul Aziz". 1 Solo: Tinta Media, 2015. Text.