Drucker, P. F. (1994). The new realities: In government and politics, in economics and business, in society and world view. New York: HarperBusiness.
Dyfyniad Arddull ChicagoDrucker, Peter F. The New Realities: In Government and Politics, in Economics and Business, in Society and World View. New York: HarperBusiness, 1994.
Dyfyniad MLADrucker, Peter F. The New Realities: In Government and Politics, in Economics and Business, in Society and World View. New York: HarperBusiness, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.