Syahira Safni Nisaruddin. (2020). A semantic study on the probablilty of modal verbs must and might in students' writings and speeches. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Syahira Safni Nisaruddin. A Semantic Study on the Probablilty of Modal Verbs Must and Might in Students' Writings and Speeches. Kuala Lumpur: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Syahira Safni Nisaruddin. A Semantic Study on the Probablilty of Modal Verbs Must and Might in Students' Writings and Speeches. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2020.