Ries, A. (1998). 22 immutable laws of branding. Profile Books LTD.
Lua i Stíl Chicago (17ú heag.)Ries, Al. 22 Immutable Laws of Branding. Londan: Profile Books LTD, 1998.
Lua MLA (9ú heag.)Ries, Al. 22 Immutable Laws of Branding. Profile Books LTD, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.