Purvis, S. C. (2003). Which ad pulled best?: 40 case histories on how to write and design ads that work. Boston: McGraw-Hill/Irwin.
Chicago-tyylinen lähdeviittausPurvis, Scott C. Which Ad Pulled Best?: 40 Case Histories On How to Write and Design Ads That Work. Boston: McGraw-Hill/Irwin, 2003.
MLA-viitePurvis, Scott C. Which Ad Pulled Best?: 40 Case Histories On How to Write and Design Ads That Work. Boston: McGraw-Hill/Irwin, 2003.
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