Abdullahi, A. E. (2011). Community formation in the ASEAN: An analysis of regional cooperation against piracy, terrorism and air pollution. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Abdullahi, Ashraf Elfatih. Community Formation in the ASEAN: An Analysis of Regional Cooperation Against Piracy, Terrorism and Air Pollution. Kuala Lumpur: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Abdullahi, Ashraf Elfatih. Community Formation in the ASEAN: An Analysis of Regional Cooperation Against Piracy, Terrorism and Air Pollution. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2011.