Rothman, H. (2001). 50 companies that changed the world: Incisive profiles of the 50 organizations, large and small, that have shaped the course of modern business. Career Press.
Lua i Stíl Chicago (17ú heag.)Rothman, Howard. 50 Companies That Changed the World: Incisive Profiles of the 50 Organizations, Large and Small, That Have Shaped the Course of Modern Business. Franklin Lakes, NJ: Career Press, 2001.
Lua MLA (9ú heag.)Rothman, Howard. 50 Companies That Changed the World: Incisive Profiles of the 50 Organizations, Large and Small, That Have Shaped the Course of Modern Business. Career Press, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.