توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Khoo, S. (1973). Adjustment and achievement of schoolchildren with a view of assessing the need for counselling in schools. University of Singapore.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Khoo, Saik-chin. Adjustment and Achievement of Schoolchildren with a View of Assessing the Need for Counselling in Schools. Singapore: University of Singapore, 1973.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Khoo, Saik-chin. Adjustment and Achievement of Schoolchildren with a View of Assessing the Need for Counselling in Schools. University of Singapore, 1973.