APA Style
Drucker, Peter F.. (1985).
Innovation and Enterpreneurship : Practice and Principles .
Great Britain:
Heinemann.
Chicago Style
Drucker, Peter F..
Innovation and Enterpreneurship : Practice and Principles.
Great Britain:
Heinemann,
1985.
Text.
MLA Style
Drucker, Peter F..
Innovation and Enterpreneurship : Practice and Principles.
Great Britain:
Heinemann,
1985.
Text.
Turabian Style
Drucker, Peter F..
Innovation and Enterpreneurship : Practice and Principles.
Great Britain:
Heinemann,
1985.
Print.