APA-viite (7. p.)
Powell, G. R. (2008). Marketing calculator: Measuring and managing return on marketing investment. John Wiley & Sons (Asia).
Chicago-viite (17. p.)
Powell, Guy R. Marketing Calculator: Measuring and Managing Return on Marketing Investment. Singapore ; Hoboken, NJ: John Wiley & Sons (Asia), 2008.
MLA-viite (9. p.)
Powell, Guy R. Marketing Calculator: Measuring and Managing Return on Marketing Investment. John Wiley & Sons (Asia), 2008.
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