Razi Hassan. (2009). Assessment of Sijil Simpanan Premium (Premium Saving Certificate) in Bank Simpanan Nasional from Shari'ah perspective. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Razi Hassan. Assessment of Sijil Simpanan Premium (Premium Saving Certificate) in Bank Simpanan Nasional from Shari'ah Perspective. Gombak, Selangor: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2009.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Razi Hassan. Assessment of Sijil Simpanan Premium (Premium Saving Certificate) in Bank Simpanan Nasional from Shari'ah Perspective. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2009.