Chia, S. K. (1992). Relationship between professional characteristics and teacher professionalism of secondary school teachers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chia, Soo Keng. Relationship Between Professional Characteristics and Teacher Professionalism of Secondary School Teachers. 1992.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Chia, Soo Keng. Relationship Between Professional Characteristics and Teacher Professionalism of Secondary School Teachers. 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.