Ries, A., & Trout, J. (1989). Bottom-up marketing. McGraw-Hill.
Tohutoru Kātū Chicago (17th ed.)Ries, Al, me Jack Trout. Bottom-up Marketing. New York: McGraw-Hill, 1989.
Tohutoro MLA (9th ed.)Ries, Al, me Jack Trout. Bottom-up Marketing. McGraw-Hill, 1989.
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