Ahmed, W. A. (2009). The concept of scarcity and its implication on human behaviour: A Qur'anic perspective. Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ahmed, Wahbalbari Amir. The Concept of Scarcity and Its Implication on Human Behaviour: A Qur'anic Perspective. Kuala Lumpur: Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia, 2009.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ahmed, Wahbalbari Amir. The Concept of Scarcity and Its Implication on Human Behaviour: A Qur'anic Perspective. Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.