Abdullah Farhan Abdullah. (2014). Design, fabrication and performance evaluation of a thermoelectric cooling headgear. Kulliyyah of Engineering, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Abdullah Farhan Abdullah. Design, Fabrication and Performance Evaluation of a Thermoelectric Cooling Headgear. Kuala Lumpur: Kulliyyah of Engineering, International Islamic University Malaysia, 2014.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Abdullah Farhan Abdullah. Design, Fabrication and Performance Evaluation of a Thermoelectric Cooling Headgear. Kulliyyah of Engineering, International Islamic University Malaysia, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.