APA Citation

Muhammad Husain Haekal, & Ali Audah. (1999). Sejarah hidup Umar bin Al-Khattab. Singapura: Pustaka Nasional Pte. Ltd..

Chicago Style Citation

Muhammad Husain Haekal, and Ali Audah. Sejarah Hidup Umar Bin Al-Khattab. Singapura: Pustaka Nasional Pte. Ltd., 1999.

MLA Citation

Muhammad Husain Haekal, and Ali Audah. Sejarah Hidup Umar Bin Al-Khattab. Singapura: Pustaka Nasional Pte. Ltd., 1999.

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