Ḵẖān, M. Ḥ. (1963). Hazrat Abu Bakr, the first Caliph of Islam. Sh. Muhammad Ashraf.
Chicago (17e ed.) BronvermeldingḴẖān, Muḥammad Ḥabīburraḥmān. Hazrat Abu Bakr, the First Caliph of Islam. Lahore: Sh. Muhammad Ashraf, 1963.
MLA (8e ed.) BronvermeldingḴẖān, Muḥammad Ḥabīburraḥmān. Hazrat Abu Bakr, the First Caliph of Islam. Sh. Muhammad Ashraf, 1963.
Let op: Deze citaties zijn niet altijd 100% accuraat.