Maurer, R. (2010). Beyond the wall of resistance: Why 70% of all changes still fail and what you can do about it (Edición revisada.). Bard Press.
Lua i Stíl Chicago (17ú heag.)Maurer, Rick. Beyond the Wall of Resistance: Why 70% of All Changes Still Fail and What You Can Do About It. Edición revisada. Texas: Bard Press, 2010.
Lua MLA (8ú heag.)Maurer, Rick. Beyond the Wall of Resistance: Why 70% of All Changes Still Fail and What You Can Do About It. Edición revisada. Bard Press, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.