James P. Morgan and Shirley Cayer. Working with World-Class Suppliers: True Believers, Purchasing (август, 13, 1992). С. 50–52.
41
Для примера см. David A. Aaker. Managing Brand Equity. New York: The Free Press, 1991; Linda M. Keefe, Corporate Voice in Relation to Product Brands, Brands Management Journal 6 (1995). С. 45–49.
