APA Style
Porter, Michael E.. (1985).
Competitive Advantage : creating and sustaining, superior performance .
New York:
The Free Press.
Chicago Style
Porter, Michael E..
Competitive Advantage : creating and sustaining, superior performance.
New York:
The Free Press,
1985.
Text.
MLA Style
Porter, Michael E..
Competitive Advantage : creating and sustaining, superior performance.
New York:
The Free Press,
1985.
Text.
Turabian Style
Porter, Michael E..
Competitive Advantage : creating and sustaining, superior performance.
New York:
The Free Press,
1985.
Print.