Sejarah khalifah Rasulullah - Qudah, Amin; Zulkifli Mohd. Yusoff, Dato'; Ulin Nuha Muhammad (Batu Caves, Selangor : PTS Islamika, 2009)
Bibliografi : p. [133]-136
Keywords: Abu Bakr, -- Caliph, -- d. 634; 'Umar ibn al-Khattab, -- Caliph, -- d. 644; 'Uthman ibn'Affan, -- Caliph, -- d. 656; 'Ali ibn Abi Talib, -- Caliph, -- 600 (ca.)-661; Muhammad, -- Prophet, -- d. 632 -- Companions; Caliphs; Islamic Empire -- History -- 622-661