APA Style
PORTER, Michael E.. (2004).
Competitive strategy: techniques for analyzing industries.. .
New York:
Free Press.
Chicago Style
PORTER, Michael E..
Competitive strategy: techniques for analyzing industries...
New York:
Free Press,
2004.
Text.
MLA Style
PORTER, Michael E..
Competitive strategy: techniques for analyzing industries...
New York:
Free Press,
2004.
Text.
Turabian Style
PORTER, Michael E..
Competitive strategy: techniques for analyzing industries...
New York:
Free Press,
2004.
Print.