Rothman, H. (2013). 50 companies that changed the World. Jaico Publishing House.
Chicago-referens (17:e uppl.)Rothman, Howard. 50 Companies That Changed the World. Mumbai: Jaico Publishing House, 2013.
MLA-referens (9:e uppl.)Rothman, Howard. 50 Companies That Changed the World. Jaico Publishing House, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.