Hengpiya, A. (2006). Teacher commitment: Its relationship with principal decision-making styles as perceived by teachers in Pattani's selected Islamic private schools. Institute of Education, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hengpiya, Abdulhakam. Teacher Commitment: Its Relationship with Principal Decision-making Styles as Perceived by Teachers in Pattani's Selected Islamic Private Schools. Gombak, Selangor: Institute of Education, International Islamic University Malaysia, 2006.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hengpiya, Abdulhakam. Teacher Commitment: Its Relationship with Principal Decision-making Styles as Perceived by Teachers in Pattani's Selected Islamic Private Schools. Institute of Education, International Islamic University Malaysia, 2006.