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