Siti 'Aishatul-Humairah bt Muhammad Fisol. (2015). The use of cohesive devices in high proficiency and low proficiency ESL argumentative essays: A comparative study. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Siti 'Aishatul-Humairah bt Muhammad Fisol. The Use of Cohesive Devices in High Proficiency and Low Proficiency ESL Argumentative Essays: A Comparative Study. Kuala Lumpur: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Siti 'Aishatul-Humairah bt Muhammad Fisol. The Use of Cohesive Devices in High Proficiency and Low Proficiency ESL Argumentative Essays: A Comparative Study. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2015.