Gaya APA

ABDURRAHMAN, F. (2013). The Great of Two Umars: Kisah Hidup Dua Khilafah Paling Legendaris, Umar ibn al-Khathab dan Umar ibn Abdul Aziz (Cet. 1). Jakarta: Mizan.

Gaya MLA

ABDURRAHMAN, Fuad.. "The Great of Two Umars: Kisah Hidup Dua Khilafah Paling Legendaris, Umar ibn al-Khathab dan Umar ibn Abdul Aziz". Cet. 1 Jakarta: Mizan, 2013. Text.