Rothman , H. (2004). 50 Companies that changed the World. Jaico Publishing House.
Chicago-referens (17:e uppl.)Rothman , Haward. 50 Companies That Changed the World. New delhi: Jaico Publishing House, 2004.
MLA-referens (9:e uppl.)Rothman , Haward. 50 Companies That Changed the World. Jaico Publishing House, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.