Gaya APA

Raji, A, A, A. (2015). Kisah Khulafa`ur Rasyidin 2; Umar Bin Khaththab . Solo: Kiswah Media.

Gaya MLA

Raji, Abu, Afiifah, Ar. "Kisah Khulafa`ur Rasyidin 2; Umar Bin Khaththab". Solo: Kiswah Media, 2015. Text.