Drucker, P. F. (1974). Management: Tasks, responsibilities, practices. New York: Harper & Row.
Trích dẫn kiểu ChicagoDrucker, Peter F. Management: Tasks, Responsibilities, Practices. New York: Harper & Row, 1974.
Deismireacht MLADrucker, Peter F. Management: Tasks, Responsibilities, Practices. New York: Harper & Row, 1974.
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