Crawford, F. (2001). The Myth of Excellence: Why great companies never try to be the best at everything.
Lua i Stíl Chicago (17ú heag.)Crawford, Fred. The Myth of Excellence: Why Great Companies Never Try to Be the Best at Everything. New York, 2001.
Lua MLA (9ú heag.)Crawford, Fred. The Myth of Excellence: Why Great Companies Never Try to Be the Best at Everything. 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.