Gaya APA
Porter, Michael E. (1985).
Competitive Advantage : Creating and Sustaining Superior Performance : With a new Introduction (First Free Press).
America:
The Free Press.
Gaya Chicago
Porter, Michael E.
Competitive Advantage : Creating and Sustaining Superior Performance : With a new Introduction.
First Free Press
America:
The Free Press,
1985.
MM.
Gaya MLA
Porter, Michael E.
Competitive Advantage : Creating and Sustaining Superior Performance : With a new Introduction.
First Free Press
America:
The Free Press,
1985.
MM.
Gaya Turabian
Porter, Michael E.
Competitive Advantage : Creating and Sustaining Superior Performance : With a new Introduction.
First Free Press
America:
The Free Press,
1985.
MM.