Rizwana, S. (2004). Communicating with the customer: A study of the adoption of customer relationship management (CRM) in two Malaysian organizations. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rizwana, Shoukat. Communicating with the Customer: A Study of the Adoption of Customer Relationship Management (CRM) in Two Malaysian Organizations. Gombak, Selangor: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2004.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Rizwana, Shoukat. Communicating with the Customer: A Study of the Adoption of Customer Relationship Management (CRM) in Two Malaysian Organizations. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2004.