Denffer, A. v. (1983). Research in Islam: Basics, principles and practical suggestions. Islamic Foundation.
Citazione stile Chigago Style (17a edizione)Denffer, Ahmad von. Research in Islam: Basics, Principles and Practical Suggestions. Leicester: Islamic Foundation, 1983.
Citatione MLA (8a ed.)Denffer, Ahmad von. Research in Islam: Basics, Principles and Practical Suggestions. Islamic Foundation, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.