Lenskold, J. D. (2003). Marketing ROI: The path to campaign, customer, and corporate profitability (1a. ed.). McGraw-Hill.
Chicago Style (17. basım) AtıfLenskold, James D. Marketing ROI: The Path to Campaign, Customer, and Corporate Profitability. 1a. ed. Nueva York: McGraw-Hill, 2003.
MLA (9th ed.) AtıfLenskold, James D. Marketing ROI: The Path to Campaign, Customer, and Corporate Profitability. 1a. ed. McGraw-Hill, 2003.
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