.Hutt, M. D., & .Speh, T. W. (1998). Business Marketing Management: A Strategic View of Industrial and Organizational Markets (6th Ed.). The Dryden Press.
Lua i Stíl Chicago (17ú heag.).Hutt, Michael D., agus Thomas W. .Speh. Business Marketing Management: A Strategic View of Industrial and Organizational Markets. 6th Ed. Texas: The Dryden Press, 1998.
Lua MLA (9ú heag.).Hutt, Michael D., agus Thomas W. .Speh. Business Marketing Management: A Strategic View of Industrial and Organizational Markets. 6th Ed. The Dryden Press, 1998.
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