Hutt, M. D., & Speh, T. W. (2001). Business marketing management: A strategic view of industrial and organizational markets (7th ed.). Harcourt College Publishers.

Hutt, Michael D., and Thomas W. Speh. Business Marketing Management: A Strategic View of Industrial and Organizational Markets. 7th ed. Fort Worth, TX: Harcourt College Publishers, 2001.

Hutt, Michael D., and Thomas W. Speh. Business Marketing Management: A Strategic View of Industrial and Organizational Markets. 7th ed. Harcourt College Publishers, 2001.