Khamsiah Ismail. (2006). Psychosocial predictors of academic achievement of adolescents: The roles of career and educational aspirations as mediating variables. Kulliyyah of Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Khamsiah Ismail. Psychosocial Predictors of Academic Achievement of Adolescents: The Roles of Career and Educational Aspirations as Mediating Variables. Gombak, Selangor: Kulliyyah of Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2006.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Khamsiah Ismail. Psychosocial Predictors of Academic Achievement of Adolescents: The Roles of Career and Educational Aspirations as Mediating Variables. Kulliyyah of Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2006.