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.
シカゴスタイル引用形FUAD 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引用形式FUAD Abdurrahman. The Great of Two Umar': Kisah Hidup Dua Khalifah Paling Legendaris , Umar Ibn Al-khatab Dan Umar Bin Abdul Aziz. Jakarta: Zaman, 2013.
警告: この引用は必ずしも正確ではありません.