Md Aris Safree Md Yasin. (2008). The relationship between psychological problems and academic achievement: Social support as the moderator. Kulliyyah of Islamic revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Md Aris Safree Md Yasin. The Relationship Between Psychological Problems and Academic Achievement: Social Support as the Moderator. Gombak, Selangor: Kulliyyah of Islamic revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2008.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Md Aris Safree Md Yasin. The Relationship Between Psychological Problems and Academic Achievement: Social Support as the Moderator. Kulliyyah of Islamic revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2008.