Ries, A., & Ries, L. (2002). The Fall of advertising and the rise of PR. HarperBusiness.
Cita Chicago Style (17a ed.)Ries, Al, y Laura Ries. The Fall of Advertising and the Rise of PR. New York: HarperBusiness, 2002.
Cita MLA (9a ed.)Ries, Al, y Laura Ries. The Fall of Advertising and the Rise of PR. HarperBusiness, 2002.
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