APA (7th ed.) Citation

al_Akkad, A. M. (1978). Kecemerlangan khalifah Umar bin Khattab. Bulan Bintang.

Chicago Style (17th ed.) Citation

al_Akkad, Abbas Mahmoud. Kecemerlangan Khalifah Umar Bin Khattab. Bulan Bintang, 1978.

MLA (8th ed.) Citation

al_Akkad, Abbas Mahmoud. Kecemerlangan Khalifah Umar Bin Khattab. Bulan Bintang, 1978.

Warning: These citations may not always be 100% accurate.