Nasiri, M. T. (1994). Comparative study of the role of the head of state in parliamentary and presidential systems of government. : International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Nasiri, Mohd. Tahir. Comparative Study of the Role of the Head of State in Parliamentary and Presidential Systems of Government. Petaling Jaya: : International Islamic University Malaysia, 1994.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Nasiri, Mohd. Tahir. Comparative Study of the Role of the Head of State in Parliamentary and Presidential Systems of Government. : International Islamic University Malaysia, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.