Ries, A. (2004). 22 irrefutable laws of branding. Profile Books LTD.
Lua i Stíl Chicago (17ú heag.)Ries, Al. 22 Irrefutable Laws of Branding. Londan: Profile Books LTD, 2004.
Lua MLA (9ú heag.)Ries, Al. 22 Irrefutable Laws of Branding. Profile Books LTD, 2004.
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