Brands, H. W. (1999). Masters of enterprise: Giants of American business from John Jacob Astor and J. P. Morgan to Bill Gates and Oprah Winfrey. The Free Press.
Čikaški stil citiranja (17. izdanje)Brands, H. W. Masters of Enterprise: Giants of American Business from John Jacob Astor and J. P. Morgan to Bill Gates and Oprah Winfrey. New York, N. Y: The Free Press, 1999.
MLA način citiranja (9. izdanje)Brands, H. W. Masters of Enterprise: Giants of American Business from John Jacob Astor and J. P. Morgan to Bill Gates and Oprah Winfrey. The Free Press, 1999.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.