Drucker, P. F. (2017). Managing Oneself and What Makes an Effective Executive. Harvard Business Review Press.
Chicago-čujuhus (17. p.)Drucker, Peter F. Managing Oneself and What Makes an Effective Executive. Boston, Massachusetts: Harvard Business Review Press, 2017.
MLA-čujuhus (9. p.)Drucker, Peter F. Managing Oneself and What Makes an Effective Executive. Harvard Business Review Press, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.