Choy, S. K. (2015). Challenging behaviour and family burden among children and adolescents with intellectual disability attending child and adolescent Psychiatry Clinic, Universiti Kebangsaan Malaysia Medical Centre. Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Choy, Seng Kit. Challenging Behaviour and Family Burden Among Children and Adolescents with Intellectual Disability Attending Child and Adolescent Psychiatry Clinic, Universiti Kebangsaan Malaysia Medical Centre. Kuala Lumpur: Universiti Kebangsaan Malaysia, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Choy, Seng Kit. Challenging Behaviour and Family Burden Among Children and Adolescents with Intellectual Disability Attending Child and Adolescent Psychiatry Clinic, Universiti Kebangsaan Malaysia Medical Centre. Universiti Kebangsaan Malaysia, 2015.