Rafeah Abdul Hamid. (1993). A Comparative study of the effectiveness of teacher feedback and peer feedback on students' writing. Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rafeah Abdul Hamid. A Comparative Study of the Effectiveness of Teacher Feedback and Peer Feedback on Students' Writing. Bangi: Universiti Kebangsaan Malaysia, 1993.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Rafeah Abdul Hamid. A Comparative Study of the Effectiveness of Teacher Feedback and Peer Feedback on Students' Writing. Universiti Kebangsaan Malaysia, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.