Zairul Azrul bin Zakaria. (2015). Enhanced heating mechanism by modifying the shape of the electric metal melting furnace in traditional foundry. Kulliyyah of Engineering, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Zairul Azrul bin Zakaria. Enhanced Heating Mechanism by Modifying the Shape of the Electric Metal Melting Furnace in Traditional Foundry. Kuala Lumpur: Kulliyyah of Engineering, International Islamic University Malaysia, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Zairul Azrul bin Zakaria. Enhanced Heating Mechanism by Modifying the Shape of the Electric Metal Melting Furnace in Traditional Foundry. Kulliyyah of Engineering, International Islamic University Malaysia, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.