Ries, A. (1998). 22 immutable laws of branding. Profile Books LTD.
Citación estilo ChicagoRies, Al. 22 Immutable Laws of Branding. Londan: Profile Books LTD, 1998.
Cita MLARies, Al. 22 Immutable Laws of Branding. Profile Books LTD, 1998.
Warning: These citations may not always be 100% accurate.