APA Style
Drucker, Peter F.. (1985).
Innovation and entrepreneurship : practice and principles .
New York:
Harper & Row.
Chicago Style
Drucker, Peter F..
Innovation and entrepreneurship : practice and principles.
New York:
Harper & Row,
1985.
Printed Material.
MLA Style
Drucker, Peter F..
Innovation and entrepreneurship : practice and principles.
New York:
Harper & Row,
1985.
Printed Material.
Turabian Style
Drucker, Peter F..
Innovation and entrepreneurship : practice and principles.
New York:
Harper & Row,
1985.
Printed Material.