Krass, P. (1997). The book of business wisdom: Classic writings by the legends of commerce and industry. J. Wiley.
Chicago-referens (17:e uppl.)Krass, Peter. The Book of Business Wisdom: Classic Writings by the Legends of Commerce and Industry. New York: J. Wiley, 1997.
MLA-referens (9:e uppl.)Krass, Peter. The Book of Business Wisdom: Classic Writings by the Legends of Commerce and Industry. J. Wiley, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.