APA (7th ed.) Citation

PORTER MICHAEL. (1990). COMPETITIVE ADVANTAGE OF NATIONS: WITH A NEW INTRODUCTION. THE FREE PRESS.

Chicago Style (17th ed.) Citation

PORTER MICHAEL. COMPETITIVE ADVANTAGE OF NATIONS: WITH A NEW INTRODUCTION. NEW YORK: THE FREE PRESS, 1990.

MLA (9th ed.) Citation

PORTER MICHAEL. COMPETITIVE ADVANTAGE OF NATIONS: WITH A NEW INTRODUCTION. THE FREE PRESS, 1990.