Gaya APA
Drucker, Peter F.. (2009).
Managing in a Time of Great Change .
Amerika:
Harvard Bussines school publishing.
Gaya Chicago
Drucker, Peter F..
Managing in a Time of Great Change.
Amerika:
Harvard Bussines school publishing,
2009.
Text.
Gaya MLA
Drucker, Peter F..
Managing in a Time of Great Change.
Amerika:
Harvard Bussines school publishing,
2009.
Text.
Gaya Turabian
Drucker, Peter F..
Managing in a Time of Great Change.
Amerika:
Harvard Bussines school publishing,
2009.
Print.