Kotter, J. P., & Warner, M. (2002). International encyclopedia of business and management (2nd ed.). London: Thomson Learning.
Dyfyniad Arddull ChicagoKotter, John P., và Malcolm Warner. International Encyclopedia of Business and Management. 2nd ed. London: Thomson Learning, 2002.
Dyfyniad MLAKotter, John P., và Malcolm Warner. International Encyclopedia of Business and Management. 2nd ed. London: Thomson Learning, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.