Ahmed, S. H. A. (2013). Earth-to-air heat exchanger system simulation study for IIUM Gombak. Kulliyyah of Architectural and Environmental Design, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ahmed, Soran Hama Aziz. Earth-to-air Heat Exchanger System Simulation Study for IIUM Gombak. Kuala Lumpur: Kulliyyah of Architectural and Environmental Design, International Islamic University Malaysia, 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ahmed, Soran Hama Aziz. Earth-to-air Heat Exchanger System Simulation Study for IIUM Gombak. Kulliyyah of Architectural and Environmental Design, International Islamic University Malaysia, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.