Umar Abdul Aziz - Zulkifli Mohamad al-Bakri, 1969- (Bandar Baru Nilai, Negeri Sembilan : Pustaka Cahaya Kasturi, 2014)
Bibliografi : ms. 145-146
Keywords: 'Umar ibn'Abd al-'Aziz, -- Caliph, -- d. 720