Adunola, A. R. A. W. (2009). A comparative study of contractual obligations in common law, civil law and shariah. Ahmad Ibrahim Kulliyyah of Laws, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Adunola, Abdul Rahman Abdul Wahab. A Comparative Study of Contractual Obligations in Common Law, Civil Law and Shariah. Gombak, Selangor: Ahmad Ibrahim Kulliyyah of Laws, International Islamic University Malaysia, 2009.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Adunola, Abdul Rahman Abdul Wahab. A Comparative Study of Contractual Obligations in Common Law, Civil Law and Shariah. Ahmad Ibrahim Kulliyyah of Laws, International Islamic University Malaysia, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.