APA (7th ed.) Citation

MUHAMMAD, Q. I. Kebijakan Ekonomi Umar bin Khaththab. Pustaka Azam.

Chicago Style (17th ed.) Citation

MUHAMMAD, Quth Ibrahim. Kebijakan Ekonomi Umar Bin Khaththab. Pustaka Azam.

MLA (8th ed.) Citation

MUHAMMAD, Quth Ibrahim. Kebijakan Ekonomi Umar Bin Khaththab. Pustaka Azam.

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