APA (7th ed.) Citation

Usman, K. (2017). Sayidina Umar al-Khattab. Darul mughni trading.

Chicago Style (17th ed.) Citation

Usman, K. Sayidina Umar Al-Khattab. Selangor: Darul mughni trading, 2017.

MLA (9th ed.) Citation

Usman, K. Sayidina Umar Al-Khattab. Darul mughni trading, 2017.

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