Gaya APA
DRUCKER, Peter F.. (1985).
Innovation and entrepreneurship : practice and principles .
New York:
Harper & Row.
Gaya Chicago
DRUCKER, Peter F..
Innovation and entrepreneurship : practice and principles.
New York:
Harper & Row,
1985.
Text.
Gaya MLA
DRUCKER, Peter F..
Innovation and entrepreneurship : practice and principles.
New York:
Harper & Row,
1985.
Text.
Gaya Turabian
DRUCKER, Peter F..
Innovation and entrepreneurship : practice and principles.
New York:
Harper & Row,
1985.
Print.