Mervyn K. Lewis. Islamic Banking. Cheltenham, UK and Northampton, MA, USA: Edward Elgar, 2001.
bbc.com
Yueh, Linda. „Islamic banking: Growing fast but can it be more than a niche market?“. BBC News (2014-yil 18-iyul). Qaraldi: 2015-yil 14-aprel. „Even in countries where Islamic banking has a strong foothold, such as the Gulf states and in South East Asia, its share rarely accounts for more than one third of the market. In Indonesia, the world's most populous Muslim country, Islamic banking currently has less than 5% market share.“.
Visser 2009, s. 77, "4.4 Islamic Contract Law" harvnb error: no target: CITEREFVisser2009 (help): „The prevalent position, however, seems to be that creditors may impose penalties for late payments, which have to be donated, whether by the creditor or directly by the client, to a charity, but a flat fee to be paid to the creditor as a recompense for the cost of collection is also acceptable to many fuqaha.“
Rammal, Hussain Gulzar; Zurbruegg, Ralf (23 August 2007). "Awareness of Islamic banking products among Muslims: The case of Australia". Journal of Financial Services Marketing12 (1): 65–74. doi:10.1057/palgrave.fsm.4760060.