APA (7th ed.) Citation

Ash-Shalabi, A. M., Akhmad Faozan, & Khoirul Amru Harahap. (2008). The Great leader of Umar bin al-Khattab = kisah kehidupan & kepemimpinan khalifah kedua. Al-Kautsar.

Chicago Style (17th ed.) Citation

Ash-Shalabi, Ali Muhammad, Akhmad Faozan, and Khoirul Amru Harahap. The Great Leader of Umar Bin Al-Khattab = Kisah Kehidupan & Kepemimpinan Khalifah Kedua. Jakarta: Al-Kautsar, 2008.

MLA (9th ed.) Citation

Ash-Shalabi, Ali Muhammad, et al. The Great Leader of Umar Bin Al-Khattab = Kisah Kehidupan & Kepemimpinan Khalifah Kedua. Al-Kautsar, 2008.