APA Style
PORTER, Michael E. (1998).
Competitive Advantage : Creating and Sustaining Superior Performance .
New York:
The Free Press.
Chicago Style
PORTER, Michael E.
Competitive Advantage : Creating and Sustaining Superior Performance.
New York:
The Free Press,
1998.
.
MLA Style
PORTER, Michael E.
Competitive Advantage : Creating and Sustaining Superior Performance.
New York:
The Free Press,
1998.
.
Turabian Style
PORTER, Michael E.
Competitive Advantage : Creating and Sustaining Superior Performance.
New York:
The Free Press,
1998.
.