Tien, S. T. (1993). Factors contributing to stress and its effect on the achievement and self-concept of secondary school pupils.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Tien, Sin Tay. Factors Contributing to Stress and Its Effect on the Achievement and Self-concept of Secondary School Pupils. 1993.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Tien, Sin Tay. Factors Contributing to Stress and Its Effect on the Achievement and Self-concept of Secondary School Pupils. 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.