Radiyah Nidehah. (2005). The effectiveness of using authentic materials in teaching English Modals to Thai EFL students. International Islamic University Malaysia Kulliyyah of Islamic Revealed Knowledge And Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Radiyah Nidehah. The Effectiveness of Using Authentic Materials in Teaching English Modals to Thai EFL Students. Kuala Lumpur Gombak, Selangor: International Islamic University Malaysia Kulliyyah of Islamic Revealed Knowledge And Human Sciences, International Islamic University Malaysia, 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Radiyah Nidehah. The Effectiveness of Using Authentic Materials in Teaching English Modals to Thai EFL Students. International Islamic University Malaysia Kulliyyah of Islamic Revealed Knowledge And Human Sciences, International Islamic University Malaysia, 2005.