Krass, P. (2001). The little book of business wisdom: Rules of success from more than 50 business legends. New York: Wiley.
Dyfyniad Arddull ChicagoKrass, Peter. The Little Book of Business Wisdom: Rules of Success From More Than 50 Business Legends. New York: Wiley, 2001.
Dyfyniad MLAKrass, Peter. The Little Book of Business Wisdom: Rules of Success From More Than 50 Business Legends. New York: Wiley, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.