Azrul A. Mutalib. (2005). Behavior of externally prestressed box beam subject to combined actions, snapping of prestressed wires and strengthened with CFRP. Faculty of Engineering, Universiti Putra Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Azrul A. Mutalib. Behavior of Externally Prestressed Box Beam Subject to Combined Actions, Snapping of Prestressed Wires and Strengthened with CFRP. Serdang: Faculty of Engineering, Universiti Putra Malaysia, 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Azrul A. Mutalib. Behavior of Externally Prestressed Box Beam Subject to Combined Actions, Snapping of Prestressed Wires and Strengthened with CFRP. Faculty of Engineering, Universiti Putra Malaysia, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.