Haslina bt. Ibrahim. (1999). Free will and predestination: A comparative study of the views of Abu al-Hassan al-Ash'ari and Muhammad 'Abduh. International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Haslina bt. Ibrahim. Free Will and Predestination: A Comparative Study of the Views of Abu Al-Hassan Al-Ash'ari and Muhammad 'Abduh. Gombak: International Islamic University Malaysia, 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Haslina bt. Ibrahim. Free Will and Predestination: A Comparative Study of the Views of Abu Al-Hassan Al-Ash'ari and Muhammad 'Abduh. International Islamic University Malaysia, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.