Collins, J. (2009). How the Mighty Fall: And Why Some Companies Never Give In. RH Business Books.
Chicago-referens (17:e uppl.)Collins, Jim. How the Mighty Fall: And Why Some Companies Never Give In. RH Business Books, 2009.
MLA-referens (9:e uppl.)Collins, Jim. How the Mighty Fall: And Why Some Companies Never Give In. RH Business Books, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.