Hadiyyatullah, I. A. R. (2011). Espionage in public international relations and Islamic law. Kulliyyah of Islamic Revealed Knowledge and Human Sciences,International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hadiyyatullah, Ismail Abdur Rasheed. Espionage in Public International Relations and Islamic Law. Kuala Lumpur: Kulliyyah of Islamic Revealed Knowledge and Human Sciences,International Islamic University Malaysia, 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hadiyyatullah, Ismail Abdur Rasheed. Espionage in Public International Relations and Islamic Law. Kulliyyah of Islamic Revealed Knowledge and Human Sciences,International Islamic University Malaysia, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.