Wong, S. S. (2005). Relationship between empathy & self-esteem with sales performance among insurance agents in Klang Valley.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wong, Soon Sieng. Relationship Between Empathy & Self-esteem with Sales Performance Among Insurance Agents in Klang Valley. 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Wong, Soon Sieng. Relationship Between Empathy & Self-esteem with Sales Performance Among Insurance Agents in Klang Valley. 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.