APA Style
Porter, Michael E.. (1980).
Competitive Strategy: Techniques for Analyzing Industries and Competitors .
New York:
Free Press.
Chicago Style
Porter, Michael E..
Competitive Strategy: Techniques for Analyzing Industries and Competitors.
New York:
Free Press,
1980.
Text.
MLA Style
Porter, Michael E..
Competitive Strategy: Techniques for Analyzing Industries and Competitors.
New York:
Free Press,
1980.
Text.
Turabian Style
Porter, Michael E..
Competitive Strategy: Techniques for Analyzing Industries and Competitors.
New York:
Free Press,
1980.
Print.