APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.