Sakinah binti Mohamad @ Md. Som. (2018). The use of hedges and boosters in English: A comparative study in native writers and Malay writers of English. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sakinah binti Mohamad @ Md. Som. The Use of Hedges and Boosters in English: A Comparative Study in Native Writers and Malay Writers of English. Kuala Lumpur: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sakinah binti Mohamad @ Md. Som. The Use of Hedges and Boosters in English: A Comparative Study in Native Writers and Malay Writers of English. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2018.