APA Citation

Muhammad Husain Haekal. (1999). Sejarah hidup Umar Bin Al-Khattab. Singapore: Pustaka Nasional.

Chicago Style Citation

Muhammad Husain Haekal. Sejarah Hidup Umar Bin Al-Khattab. Singapore: Pustaka Nasional, 1999.

MLA Citation

Muhammad Husain Haekal. Sejarah Hidup Umar Bin Al-Khattab. Singapore: Pustaka Nasional, 1999.

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