Gaya APA
DRUCKER, PETER F.. (1999).
Management Challenges for the 21st Century. (cet. 1).
NEW YORK, NEW YORK:
HARPER COLLINS PUBLISHER.
Gaya Chicago
DRUCKER, PETER F..
Management Challenges for the 21st Century..
cet. 1
NEW YORK, NEW YORK:
HARPER COLLINS PUBLISHER,
1999.
Text.
Gaya MLA
DRUCKER, PETER F..
Management Challenges for the 21st Century..
cet. 1
NEW YORK, NEW YORK:
HARPER COLLINS PUBLISHER,
1999.
Text.
Gaya Turabian
DRUCKER, PETER F..
Management Challenges for the 21st Century..
cet. 1
NEW YORK, NEW YORK:
HARPER COLLINS PUBLISHER,
1999.
Print.