FUAD Abdurrahman. (2013). The Great of Two Umar': Kisah Hidup dua Khalifah Paling Legendaris , Umar Ibn Al-khatab dan Umar bin Abdul Aziz. Jakarta: Zaman.
استشهاد بنمط شيكاغوFUAD Abdurrahman. The Great of Two Umar': Kisah Hidup Dua Khalifah Paling Legendaris , Umar Ibn Al-khatab Dan Umar Bin Abdul Aziz. Jakarta: Zaman, 2013.
MLA استشهادFUAD Abdurrahman. The Great of Two Umar': Kisah Hidup Dua Khalifah Paling Legendaris , Umar Ibn Al-khatab Dan Umar Bin Abdul Aziz. Jakarta: Zaman, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.