Nizami, K.A. -0141 "Čishtiyya."[permanent dead link]Encyclopaedia of Islam, Second Edition. Edited by: P. Bearman, Th. Bianquis, C. E. Bosworth, E. van Donzel, and W. P. Heinrichs. Brill, 2011. Brill Online. Augustana. 6 April 2011.
Nizami, K.A. "Čishtī, Ḵhwādja Muʿīn al-Dīn Ḥasan". Encyclopaedia of Islam, Second Edition. Edited by: P. Bearman, Th. Bianquis, C. E. Bosworth, E. van Donzel, and W. P. Heinrichs. Brill, 2011. Brill Online. Augustana. 6 April 2011 <http://www.brillonline.nlArchived 24 November 2015 at the Wayback Machine /subscriber/entry?entry=islam_SIM-1623>.
Nizami, K.A. "Čishtī, Ḵhwādja Muʿīn al-Dīn Ḥasan". Encyclopaedia of Islam, Second Edition. Edited by: P. Bearman, Th. Bianquis, C. E. Bosworth, E. van Donzel, and W. P. Heinrichs. Brill, 2011. Brill Online. Augustana. 6 April 2011 <http://www.brillonline.nlArchived 24 November 2015 at the Wayback Machine /subscriber/entry?entry=islam_SIM-1623>.