Gulec, R. (1976). Metabolic responses of muslim men to changes in meal frequency during the Ramadan fast. Kansas State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gulec, Rezzan. Metabolic Responses of Muslim Men to Changes in Meal Frequency During the Ramadan Fast. Manhattan, Kansas: Kansas State University, 1976.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gulec, Rezzan. Metabolic Responses of Muslim Men to Changes in Meal Frequency During the Ramadan Fast. Kansas State University, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.