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.
.
MLA Style
PORTER, Michael E.
Competitive Strategy : Techniques For Analyzing Industries And Competitors.
New York:
The Free Press,
1980.
.
Turabian Style
PORTER, Michael E.
Competitive Strategy : Techniques For Analyzing Industries And Competitors.
New York:
The Free Press,
1980.
.