Doumbouya, S. (2021). The impact loyalty program elements on customer retention for Malaysian retailers. Kulliyyah of Economics and Management International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Doumbouya, Souleymane. The Impact Loyalty Program Elements on Customer Retention for Malaysian Retailers. Kuala Lumpur: Kulliyyah of Economics and Management International Islamic University Malaysia, 2021.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Doumbouya, Souleymane. The Impact Loyalty Program Elements on Customer Retention for Malaysian Retailers. Kulliyyah of Economics and Management International Islamic University Malaysia, 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.