Gulen, F. (2009). Essentials of the Islamic faith. Tughra.
Chicago Style (17th ed.) CitationGulen, Fethullah. Essentials of the Islamic Faith. New Jersey: Tughra, 2009.
ציטוט MLAGulen, Fethullah. Essentials of the Islamic Faith. Tughra, 2009.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.