Gaya APA
DRUCKER, Peter F. (2002).
Management challenges for the 21st century .
Oxford:
Butterworth-Heinemann.
Gaya Chicago
DRUCKER, Peter F.
Management challenges for the 21st century.
Oxford:
Butterworth-Heinemann,
2002.
Text.
Gaya MLA
DRUCKER, Peter F.
Management challenges for the 21st century.
Oxford:
Butterworth-Heinemann,
2002.
Text.
Gaya Turabian
DRUCKER, Peter F.
Management challenges for the 21st century.
Oxford:
Butterworth-Heinemann,
2002.
Print.