Ries, A. (2004). 22 irrefutable laws of branding. Profile Books LTD.
Cita Chicago (17th ed.)Ries, Al. 22 Irrefutable Laws of Branding. Londan: Profile Books LTD, 2004.
Cita MLA (9th ed.)Ries, Al. 22 Irrefutable Laws of Branding. Profile Books LTD, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.