Drucker, P. F. (2017). Managing Oneself and What Makes an Effective Executive. Harvard Business Review Press.
Chicago-viite (17. p.)Drucker, Peter F. Managing Oneself and What Makes an Effective Executive. Boston, Massachusetts: Harvard Business Review Press, 2017.
MLA-viite (9. p.)Drucker, Peter F. Managing Oneself and What Makes an Effective Executive. Harvard Business Review Press, 2017.
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