Gulen, F., & Cetin,Muhammed. (2008). Questions & answers about Islam. Tughra, Inc.
Chicago Style aipamenaGulen, Fethullah, and Cetin,Muhammed. Questions & Answers About Islam. New Jersey: Tughra, Inc, 2008.
MLA aipamenaGulen, Fethullah, and Cetin,Muhammed. Questions & Answers About Islam. Tughra, Inc, 2008.
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