APA (7th ed.) Citation

RAANA, I. M. (1990). Sistem Ekonomi Pemerintahan Umar Ibn Al-Khatab. Pustaka Firdaus.

Chicago Style (17th ed.) Citation

RAANA, Irfan Mahmud. Sistem Ekonomi Pemerintahan Umar Ibn Al-Khatab. Pustaka Firdaus, 1990.

MLA (8th ed.) Citation

RAANA, Irfan Mahmud. Sistem Ekonomi Pemerintahan Umar Ibn Al-Khatab. Pustaka Firdaus, 1990.

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