Dyfyniad APA

Ries, A. (2002). Fall of advertising and the rise of PR (NA.). Harper Collins.

Dyfyniad Arddull Chicago

Ries, Al. Fall of Advertising and the Rise of PR. NA. New York: Harper Collins, 2002.

Dyfyniad MLA

Ries, Al. Fall of Advertising and the Rise of PR. NA. Harper Collins, 2002.

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