APA-viite (7. p.)
ebrary, Inc, & Oguz Gonulal, S. (2012). Takaful and mutual insurance: Alternative approaches to managing risks. World Bank.
Chicago-viite (17. p.)
ebrary, Inc, ja Serap Oguz Gonulal. Takaful and Mutual Insurance: Alternative Approaches to Managing Risks. Washington, D.C.: World Bank, 2012.
MLA-viite (9. p.)
ebrary, Inc, ja Serap Oguz Gonulal. Takaful and Mutual Insurance: Alternative Approaches to Managing Risks. World Bank, 2012.
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