Gaya APA
PORTER, MICHAEL. (1985).
COMPETITIVE ADVANTAGE : CREATING AND SUSTAINING SUPERIOR PERFORMANCE (EDISI PERTAMA).
NEW YORK:
THE FREE PRESS.
Gaya Chicago
PORTER, MICHAEL.
COMPETITIVE ADVANTAGE : CREATING AND SUSTAINING SUPERIOR PERFORMANCE.
EDISI PERTAMA
NEW YORK:
THE FREE PRESS,
1985.
Text.
Gaya MLA
PORTER, MICHAEL.
COMPETITIVE ADVANTAGE : CREATING AND SUSTAINING SUPERIOR PERFORMANCE.
EDISI PERTAMA
NEW YORK:
THE FREE PRESS,
1985.
Text.
Gaya Turabian
PORTER, MICHAEL.
COMPETITIVE ADVANTAGE : CREATING AND SUSTAINING SUPERIOR PERFORMANCE.
EDISI PERTAMA
NEW YORK:
THE FREE PRESS,
1985.
Print.