Gaya APA
Drucker, Peter F.. (2008).
Managing oneself .
Massachusetts:
Harvard Business School.
Gaya Chicago
Drucker, Peter F..
Managing oneself.
Massachusetts:
Harvard Business School,
2008.
Text.
Gaya MLA
Drucker, Peter F..
Managing oneself.
Massachusetts:
Harvard Business School,
2008.
Text.
Gaya Turabian
Drucker, Peter F..
Managing oneself.
Massachusetts:
Harvard Business School,
2008.
Print.