Dyfyniad APA

Drucker, P. F. (2017). Managing Oneself and What Makes an Effective Executive. Harvard Business Review Press.

Dyfyniad Arddull Chicago

Drucker, Peter F. Managing Oneself and What Makes an Effective Executive. Boston, Massachusetts: Harvard Business Review Press, 2017.

Dyfyniad MLA

Drucker, Peter F. Managing Oneself and What Makes an Effective Executive. Harvard Business Review Press, 2017.

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