APA Style
Drucker, Peter F. (1986).
Innovation and entre-preneurship : practice and principles (1).
New York:
Collins Business.
Chicago Style
Drucker, Peter F.
Innovation and entre-preneurship : practice and principles.
1
New York:
Collins Business,
1986.
Text.
MLA Style
Drucker, Peter F.
Innovation and entre-preneurship : practice and principles.
1
New York:
Collins Business,
1986.
Text.
Turabian Style
Drucker, Peter F.
Innovation and entre-preneurship : practice and principles.
1
New York:
Collins Business,
1986.
Print.