Ahmad Ikbal b. Mohd Yusof. (2004). Ibn Qayyim's critique of Philosophical Sufism: The refutation of al-Tilimsani's version of wahdat al-wujud. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ahmad Ikbal b. Mohd Yusof. Ibn Qayyim's Critique of Philosophical Sufism: The Refutation of Al-Tilimsani's Version of Wahdat Al-wujud. Gombak: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2004.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ahmad Ikbal b. Mohd Yusof. Ibn Qayyim's Critique of Philosophical Sufism: The Refutation of Al-Tilimsani's Version of Wahdat Al-wujud. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2004.