Akgun, T. (2019). A study of Sayyid Shaykh Al-Hadi's (1867-1934) and Abdullah Ahmad's (1878-1933) contributions to Islamic reform in the Malay world. Kuliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Akgun, Tayfun. A Study of Sayyid Shaykh Al-Hadi's (1867-1934) and Abdullah Ahmad's (1878-1933) Contributions to Islamic Reform in the Malay World. Kuala Lumpur: Kuliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Akgun, Tayfun. A Study of Sayyid Shaykh Al-Hadi's (1867-1934) and Abdullah Ahmad's (1878-1933) Contributions to Islamic Reform in the Malay World. Kuliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2019.