• “The Our‘an”, tr. Ali-quli Oara'i, London: Islamic College for Advanced Studies, 2005.

• Nasr, S. H. (2002), “Islam: Religion, History, and Civilization”, Harper Collins Canada.

• Nasr, S. H. (2004), “The Heart of Islam: Enduring Values for Humanity”, Harper Collins Canada.

• Schimmel, A. (1975), “Mystical Dimensions of Islam”, North Carolina University Press.

• Shomali,M A(2001), “Shi‘i Islam: Origins, Faith & Practices” London: Islamic College for Advanced Studies.