Ooi, C. M. (1998). A comparative study of truancy patterns among form four and form five students: A case study of a secondary school. Management Center, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ooi, Chen Mee. A Comparative Study of Truancy Patterns Among Form Four and Form Five Students: A Case Study of a Secondary School. Gombak: Management Center, International Islamic University Malaysia, 1998.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ooi, Chen Mee. A Comparative Study of Truancy Patterns Among Form Four and Form Five Students: A Case Study of a Secondary School. Management Center, International Islamic University Malaysia, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.