Deismireacht APA

Drucker, P. F. (2010). The changing world of the executive. Boston: Harvard Business Press.

Trích dẫn kiểu Chicago

Drucker, Peter Ferdinand. The Changing World of the Executive. Boston: Harvard Business Press, 2010.

Deismireacht MLA

Drucker, Peter Ferdinand. The Changing World of the Executive. Boston: Harvard Business Press, 2010.

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