APA-viite (7. p.)

Lenskold, J. D. (2003). Marketing ROIthe path to campaign, customer, and corporate profitabilityJames D. Lenskold. McGraw-Hill.

Chicago-viite (17. p.)

Lenskold, James D. Marketing ROIthe Path to Campaign, Customer, and Corporate ProfitabilityJames D. Lenskold. McGraw-Hill, 2003.

MLA-viite (8. p.)

Lenskold, James D. Marketing ROIthe Path to Campaign, Customer, and Corporate ProfitabilityJames D. Lenskold. McGraw-Hill, 2003.