Siddiq, S. A. (2016). Caliph Al-Mansur and Hulagu Khan and analysis of their political strategies in the light of Machiavellianism. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Siddiq, Sayma Aamal. Caliph Al-Mansur and Hulagu Khan and Analysis of Their Political Strategies in the Light of Machiavellianism. Gombak, Selangor: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2016.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Siddiq, Sayma Aamal. Caliph Al-Mansur and Hulagu Khan and Analysis of Their Political Strategies in the Light of Machiavellianism. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2016.