Crawford, F. (2001). The Myth of Excellence: Why great companies never try to be the best at everything.
Chicago-referens (17:e uppl.)Crawford, Fred. The Myth of Excellence: Why Great Companies Never Try to Be the Best at Everything. New York, 2001.
MLA-referens (9:e uppl.)Crawford, Fred. The Myth of Excellence: Why Great Companies Never Try to Be the Best at Everything. 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.