Nurul Hidayah binti Aziz. (2012). Classification of knowledge in the discourses of al-Shafi'i (d.204/820) and al-Ghazali (d.505/1111): A comparative study. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Nurul Hidayah binti Aziz. Classification of Knowledge in the Discourses of Al-Shafi'i (d.204/820) and Al-Ghazali (d.505/1111): A Comparative Study. Kuala Lumpur: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Nurul Hidayah binti Aziz. Classification of Knowledge in the Discourses of Al-Shafi'i (d.204/820) and Al-Ghazali (d.505/1111): A Comparative Study. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2012.