APA Style
Porter, Michael E.. (1985).
Competitive Advantage: Creating and Sustaining Superior Performance .
New York:
Free Press.
Chicago Style
Porter, Michael E..
Competitive Advantage: Creating and Sustaining Superior Performance.
New York:
Free Press,
1985.
Text.
MLA Style
Porter, Michael E..
Competitive Advantage: Creating and Sustaining Superior Performance.
New York:
Free Press,
1985.
Text.
Turabian Style
Porter, Michael E..
Competitive Advantage: Creating and Sustaining Superior Performance.
New York:
Free Press,
1985.
Print.