Lim, T. E. (1999). Relationship between moral maturity and academic achievement of form four students in a secondary school.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lim, Tong Eng. Relationship Between Moral Maturity and Academic Achievement of Form Four Students in a Secondary School. 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lim, Tong Eng. Relationship Between Moral Maturity and Academic Achievement of Form Four Students in a Secondary School. 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.