1. Agarwal, A./Harding, D. P./Schumacher, J. R. (2004): Organizing for CRM, in: McKinsey Quarterly, o. Vol., No. 3, S. 80-91.
2. Almquist, E./Heaton, C./Hall, N. (2002): Making CRM Make Money, in: Marketing Management, Vol. 11, No. 3, S. 16-21.
3. Becker, J. U./Greve, G./Albers, S. (2009): The Impact of Technological and Organizational Implementation of CRM on Customer Acquisition, Maintenance, and Retention, in: International Journal of Research in Marketing, Vol. 26, No. 3, S. 207-215.
4. Berry, L. L. (1983): Relationship Marketing, in: Berry, L. L./Shostack, G. L./Upah, G. (Hrsg.), Emerging Perspectives on Services Marketing, Chicago, S. 25-28.
5. Blattberg, R. C./Deighton, J. (1996): Manage Marketing by the Customer Equity Test, in: Harvard Business Review, Vol. 74, No. 4, S. 136-144.