Helmi Afizal bin Zainal. (2010). The concept of sin according to St. Augustine (430 A.D) and Al-Ghazali (1111 A.D): A comparative analysis. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
Chicago Style (17th ed.) CitationHelmi Afizal bin Zainal. The Concept of Sin According to St. Augustine (430 A.D) and Al-Ghazali (1111 A.D): A Comparative Analysis. Kuala Lumpur: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2010.
MLA (8th ed.) CitationHelmi Afizal bin Zainal. The Concept of Sin According to St. Augustine (430 A.D) and Al-Ghazali (1111 A.D): A Comparative Analysis. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2010.