Tubi, A. A. (2008). Electronic commerce regulations in the Sultanate of Oman: A critical examination relating to the e-contract and e-signature. Ahmad Ibrahim Kulliyyah of Laws, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Tubi, Abdulrauf Abdullah. Electronic Commerce Regulations in the Sultanate of Oman: A Critical Examination Relating to the E-contract and E-signature. Gombak, Seangor: Ahmad Ibrahim Kulliyyah of Laws, International Islamic University Malaysia, 2008.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Tubi, Abdulrauf Abdullah. Electronic Commerce Regulations in the Sultanate of Oman: A Critical Examination Relating to the E-contract and E-signature. Ahmad Ibrahim Kulliyyah of Laws, International Islamic University Malaysia, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.