Khairul Azhar Idris. (2001). Patterns of intellectual functioning among children and adolescents with and without conduct disorders. International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Khairul Azhar Idris. Patterns of Intellectual Functioning Among Children and Adolescents with and Without Conduct Disorders. Gombak, Selangor: International Islamic University Malaysia, 2001.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Khairul Azhar Idris. Patterns of Intellectual Functioning Among Children and Adolescents with and Without Conduct Disorders. International Islamic University Malaysia, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.