APA Style
Porter, Michael E.. (1980).
Competitive strategy : techniques for analyzing industries and competitors .
New York:
The Free Press.
Chicago Style
Porter, Michael E..
Competitive strategy : techniques for analyzing industries and competitors.
New York:
The Free Press,
1980.
Printed Material.
MLA Style
Porter, Michael E..
Competitive strategy : techniques for analyzing industries and competitors.
New York:
The Free Press,
1980.
Printed Material.
Turabian Style
Porter, Michael E..
Competitive strategy : techniques for analyzing industries and competitors.
New York:
The Free Press,
1980.
Printed Material.