APA استشهاد

Ries, A., & Ries, L. (2002). The fall of advertising and the rise of PR. HarperBusiness.

استشهاد بنمط شيكاغو

Ries, Al, و Laura Ries. The Fall of Advertising and the Rise of PR. New York: HarperBusiness, 2002.

MLA استشهاد

Ries, Al, و Laura Ries. The Fall of Advertising and the Rise of PR. HarperBusiness, 2002.