^Bearman, P.J.; Bianquis, Th.; Bosworth, C.E.; van Donzel, E.; Heinrichs, W.P., eds. (2009). ""Al-Muntasir," "Al-Musta'in," "Al-Mu'tazz," "Al-Muhtadi"". Encyclopaedia of Islam Online. Brill Publishers.
ISSN1573-3912.
^Al-Ya'qubi, Ahmad ibn Abu Ya'qub (1883). Historiae. Vol. 2 (M. Th. Houtsma ed.). Leiden: E. J. Brill. pp. 267–268.
^Mufīd, Ibn-al-Muʻallim, I. K. A. Howard, and Ḥusain Naṣr. Kitāb Al-Irshād: the Book of Guidance into the Lives of the Twelve Imams. Qum: Ansariyan Publications, 1990. Print.
^Bearman, P.J.; Bianquis, Th.; Bosworth, C.E.; van Donzel, E.; Heinrichs, W.P., eds. (2009). ""Al-Muntasir," "Al-Musta'in," "Al-Mu'tazz," "Al-Muhtadi"". Encyclopaedia of Islam Online. Brill Publishers.
ISSN1573-3912.
^Al-Ya'qubi, Ahmad ibn Abu Ya'qub (1883). Historiae. Vol. 2 (M. Th. Houtsma ed.). Leiden: E. J. Brill. pp. 267–268.
^Mufīd, Ibn-al-Muʻallim, I. K. A. Howard, and Ḥusain Naṣr. Kitāb Al-Irshād: the Book of Guidance into the Lives of the Twelve Imams. Qum: Ansariyan Publications, 1990. Print.