Abdoul Karim, M. A. (2010). School dropouts: A case study of thirty orang Asli children of Kampung Sungai Rasau Hilir, Puchong, Selangor. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Abdoul Karim, Moussa Ahmed. School Dropouts: A Case Study of Thirty Orang Asli Children of Kampung Sungai Rasau Hilir, Puchong, Selangor. Gombak, Selangor: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Abdoul Karim, Moussa Ahmed. School Dropouts: A Case Study of Thirty Orang Asli Children of Kampung Sungai Rasau Hilir, Puchong, Selangor. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2010.