Ahmed, Z., & Haq , M. (2014). Reference group influence on purchase decision making of soft drinks: A demographic study based on Clemon. BRAC University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ahmed, Zoheb, و Mahmudul Haq. Reference Group Influence on Purchase Decision Making of Soft Drinks: A Demographic Study Based on Clemon. BRAC University, 2014.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ahmed, Zoheb, و Mahmudul Haq. Reference Group Influence on Purchase Decision Making of Soft Drinks: A Demographic Study Based on Clemon. BRAC University, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.