Omar, Y. A. R. (2017). The concept of Qiwamah according to Amina Wadud and Muhmammad Sa'id Ramadan Al-Buti: A comparative study. Kulliyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Omar, Yousef Abdul Rahim. The Concept of Qiwamah According to Amina Wadud and Muhmammad Sa'id Ramadan Al-Buti: A Comparative Study. Kuala Lumpur: Kulliyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Omar, Yousef Abdul Rahim. The Concept of Qiwamah According to Amina Wadud and Muhmammad Sa'id Ramadan Al-Buti: A Comparative Study. Kulliyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2017.