Abdul Hadi Awang Muhammad Dato' Seri. (2020). Khalifah 'Umar radiallahuanhu: Fiqh siasah khulafa' al-rasyidin #2. Pustaka Permata Ummah.
Chicago Style (17th ed.) CitationAbdul Hadi Awang Muhammad Dato' Seri. Khalifah 'Umar Radiallahuanhu: Fiqh Siasah Khulafa' Al-rasyidin #2. Kuala Lumpur: Pustaka Permata Ummah, 2020.
MLA (8th ed.) CitationAbdul Hadi Awang Muhammad Dato' Seri. Khalifah 'Umar Radiallahuanhu: Fiqh Siasah Khulafa' Al-rasyidin #2. Pustaka Permata Ummah, 2020.
Warning: These citations may not always be 100% accurate.