Drucker, P. F. (1994). The new realities: In government and politics, in economics and business, in society and world view. New York: HarperBusiness.
Trích dẫn kiểu ChicagoDrucker, Peter F. The New Realities: In Government and Politics, in Economics and Business, in Society and World View. New York: HarperBusiness, 1994.
Deismireacht MLADrucker, Peter F. The New Realities: In Government and Politics, in Economics and Business, in Society and World View. New York: HarperBusiness, 1994.
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