1Berry, L. L. & Parasuraman, A. (1991). Marketing Service-Competing through Quality, New York: The Free Press.
2Morgan, Robert M. and Shelby D. Hunt. The Com- mitment- Trust Theory of Relationship Marketing. Journal of Marketing, 1994, 58(7): 20- 38.
3Berry, L.L. “Relationship Marketing of Services - Growing Interest, Emerging Perspectives, ” Journal of the Academy of Marketing Science, 23, Fall 1995, pp. 236 - 245.
4Cronin, J. J. and Taylor, S. A. (1992) ,“Measuring service quality : an examination and extension”, Journal of Marketing, Vol. 56, July, pp. 55-68.
5Kotler, P. (1999). Marketing Management, Analysis, Planning, Implementation and Control, 9%d, Englewood Cliffs, New Jersey: Prentice - Hall Inc.
6Crosby L A , Evans K R , Cowles D. Relationship Quality in Services Selling: An Interpersonal Influence Perspective [J]. Journal of Marketing, 1990, 54(3) : 68- 81.
7De Wulf, K., Odekerken-Schroder, G., and La- cobucci, D. “Investments in consumer relationships: A cross - country and cross industry exploration, ” Journal of Marketing (65:4) 2001, pp 33 -50.
8Komiak, S. Y. X., and Benbasat, I.“ The Effects of Personalization and Familiarity on Trust and Adoption of Recommendation Agents, ” MIS Quarterly (30: 4) 2006.