1. Bauer, H.H., Hammerschmidt, M. (2005): Customer-based corporate valuation — Integrating the concepts of customer equity and shareholder value, in: Management Decision, 43. Jg., Nr. 3, S. 331–348.
2. Benölken, H., Greipel, P. (1994): Dienstleistungsmanagement — Service als strategische Erfolgsposition, 2. Aufl., Wiesbaden.
3. Berger, P.D., Nasr, N.I. (1998): Customer Lifetime Value — Marketing Models and Applications, in: Journal of Interactive Marketing, 12. Jg., Nr. 1, S. 17–30.
4. Berger, P.D., Bolton, R.N., Bowman, D., Briggs, E., Kumar, V., Parasuraman, A., Terry, C. (2002): Marketing Actions and the Value of Customer Assets — A Framework for Customer Asset Management, in: Journal of Service Research, 5. Jg., Nr. 1, S. 39–54.
5. Berger, P.D., Eechambadi, N., George, M., Lehmann, D.R., Rizley, R., Venkatesan, R. (2006): From Customer Lifetime Value to Shareholder Value — Theory, Empirical Evidence, and Issues for Future Research, in: Journal of Service Research, 9. Jg., Nr. 2, S. 156–167.