Batchelor, D. (2011). The political systems of the Islamic Republic of Pakistan and the Islamic Republic of Iran: A comparative study. International Institute of Islamic Thought and Civilization, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Batchelor, Daud. The Political Systems of the Islamic Republic of Pakistan and the Islamic Republic of Iran: A Comparative Study. Kuala Lumpur: International Institute of Islamic Thought and Civilization, International Islamic University Malaysia, 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Batchelor, Daud. The Political Systems of the Islamic Republic of Pakistan and the Islamic Republic of Iran: A Comparative Study. International Institute of Islamic Thought and Civilization, International Islamic University Malaysia, 2011.