BerryLeonard L. (1983), “Relationship Marketing,” in Emerging Perspectives on Service Marketing, BerryL. L., ShostackG. L., and UpahG. D., eds. Chicago: American Marketing Association, 25–8.
2.
HåkanssonHåkan (1982), International Marketing and Purchasing of Industrial Goods.New York: John Wiley & Sons, Inc.
3.
JacksonBarbara B. (1985), “Build Customer Relationships That Last,”Harvard Business Review, 63 (November-December), 120–8.
