Ries, A. (2004). The Fall of Advertising & The Rise of PR. Gramedia.
Citación estilo ChicagoRies, Al. The Fall of Advertising & The Rise of PR. Gramedia, 2004.
Cita MLARies, Al. The Fall of Advertising & The Rise of PR. Gramedia, 2004.
Warning: These citations may not always be 100% accurate.