Drucker, P. F. (1989). The new realities: In government and politics, in economics and business, in society and world view. New York: Harper & Row.
Trích dẫn kiểu ChicagoDrucker, Peter F. The New Realities: In Government and Politics, in Economics and Business, in Society and World View. New York: Harper & Row, 1989.
MLA引文Drucker, Peter F. The New Realities: In Government and Politics, in Economics and Business, in Society and World View. New York: Harper & Row, 1989.
警告：这些引文格式不一定是100％准确.