Ries, A. (2004). The Fall of Advertising & The Rise of PR. Gramedia.
Chicago Style (17th ed.) CitationRies, Al. The Fall of Advertising & The Rise of PR. Gramedia, 2004.
Cita MLARies, Al. The Fall of Advertising & The Rise of PR. Gramedia, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.