Lalani 2000, p. 20; Gleave 2004, p. 350. Lalani, A.R. (2000). Early Shī'ī Thought: The Teachings of Imam Muḥammad al-Bāqir. I.B. Tauris. ISBN1850435928. Gleave, R. (2004). "Imamate". In Martin, R.C. (ed.). Encyclopedia of Islam and the Muslim World. Vol. 1. Macmillan Reference USA. pp. 350–351. ISBN0028656059.
Zaman 2004, p. 349. Zaman, M.Q. (2004). "Imam". In Martin, R.C. (ed.). Encyclopedia of Islam and the Muslim World. Vol. 1. Macmillan Reference USA. pp. 349–350. ISBN0028656059.
Yücesoy 2013, p. 249; Sachedina 1988; Takim 2006, p. 5. Yücesoy, H. (2013). "Imamate". In Bowering, G. (ed.). The Princeton Encyclopedia of Islamic Political Thought. Princeton University Press. pp. 247–250. ISBN9780691134840. Sachedina, A.A. (1988). The Just Ruler in Shi'ite Islam: The Comprehensive Authority of the Jurist in Imamite Jurisprudence. Oxford University Press. ISBN0195119150. Takim, L.N. (2006). The Heirs of the Prophet: Charisma and Religious Authority in Shi'ite Islam. State University of New York Press. ISBN9780791467381.
Crone 2005, pp. 110–111; Sachedina 1988, p. 62; Gleave 2004, p. 350. Crone, P. (2005). Medieval Islamic Political Thought. Edinburgh University Press. ISBN0748621946. Sachedina, A.A. (1988). The Just Ruler in Shi'ite Islam: The Comprehensive Authority of the Jurist in Imamite Jurisprudence. Oxford University Press. ISBN0195119150. Gleave, R. (2004). "Imamate". In Martin, R.C. (ed.). Encyclopedia of Islam and the Muslim World. Vol. 1. Macmillan Reference USA. pp. 350–351. ISBN0028656059.
Momen 1985, p. 147, 159; Yücesoy 2013, p. 248. Momen, M. (1985). An Introduction to Shi'i Islam. Yale University Press. ISBN9780300035315. Yücesoy, H. (2013). "Imamate". In Bowering, G. (ed.). The Princeton Encyclopedia of Islamic Political Thought. Princeton University Press. pp. 247–250. ISBN9780691134840.
Gleave 2004, p. 351. Gleave, R. (2004). "Imamate". In Martin, R.C. (ed.). Encyclopedia of Islam and the Muslim World. Vol. 1. Macmillan Reference USA. pp. 350–351. ISBN0028656059.
Madelung 2012; Amir-Moezzi 1994, p. 29. Madelung, W. (2012). "Imāma". In Bearman, P.; Bianquis, Th.; Bosworth, C.E.; van Donzel, E.; Heinrichs, W.P. (eds.). Encyclopaedia of Islam (Second ed.). doi:10.1163/1573-3912_islam_COM_0369. ISSN1573-3912. Amir-Moezzi, M.A. (1994). Guide divin dans le Shi'isme originel [The Divine Guide in Early Shi'ism: The Sources of Esotericism in Islam]. Translated by Streight, D. Albany: State University of New York Press. ISBN0791421228.
Amir-Moezzi 1994, p. 78; Amir-Moezzi 2005. Amir-Moezzi, M.A. (1994). Guide divin dans le Shi'isme originel [The Divine Guide in Early Shi'ism: The Sources of Esotericism in Islam]. Translated by Streight, D. Albany: State University of New York Press. ISBN0791421228. Amir-Moezzi, M.A. (2005). "Shi'ite Doctrine". Encyclopaedia Iranica (online ed.). ISSN2330-4804.
Amir-Moezzi 1994, p. 78; Amir-Moezzi 2005. Amir-Moezzi, M.A. (1994). Guide divin dans le Shi'isme originel [The Divine Guide in Early Shi'ism: The Sources of Esotericism in Islam]. Translated by Streight, D. Albany: State University of New York Press. ISBN0791421228. Amir-Moezzi, M.A. (2005). "Shi'ite Doctrine". Encyclopaedia Iranica (online ed.). ISSN2330-4804.
Madelung 2012; Amir-Moezzi 1994, p. 29. Madelung, W. (2012). "Imāma". In Bearman, P.; Bianquis, Th.; Bosworth, C.E.; van Donzel, E.; Heinrichs, W.P. (eds.). Encyclopaedia of Islam (Second ed.). doi:10.1163/1573-3912_islam_COM_0369. ISSN1573-3912. Amir-Moezzi, M.A. (1994). Guide divin dans le Shi'isme originel [The Divine Guide in Early Shi'ism: The Sources of Esotericism in Islam]. Translated by Streight, D. Albany: State University of New York Press. ISBN0791421228.