Khadijah Ismail. (2010). The philosophical and empirical investigation on moon width and brightness and its relationship with crescent visibility and prediction criteria in Islamic calendar.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Khadijah Ismail. The Philosophical and Empirical Investigation on Moon Width and Brightness and Its Relationship with Crescent Visibility and Prediction Criteria in Islamic Calendar. 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Khadijah Ismail. The Philosophical and Empirical Investigation on Moon Width and Brightness and Its Relationship with Crescent Visibility and Prediction Criteria in Islamic Calendar. 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.