Rothman, H. (2013). 50 companies that changed the World. Jaico Publishing House.
Lua i Stíl Chicago (17ú heag.)Rothman, Howard. 50 Companies That Changed the World. Mumbai: Jaico Publishing House, 2013.
Lua MLA (9ú heag.)Rothman, Howard. 50 Companies That Changed the World. Jaico Publishing House, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.