توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Ali, A. O. (2010). Sound absorption coefficient of carved wood panel with Islamic geometric patterns. Kulliyyah of Architecture and Environmental Design, International Islamic Univerisity Malaysia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Ali, Ahmed Omar. Sound Absorption Coefficient of Carved Wood Panel with Islamic Geometric Patterns. Kuala Lumpur: Kulliyyah of Architecture and Environmental Design, International Islamic Univerisity Malaysia, 2010.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Ali, Ahmed Omar. Sound Absorption Coefficient of Carved Wood Panel with Islamic Geometric Patterns. Kulliyyah of Architecture and Environmental Design, International Islamic Univerisity Malaysia, 2010.