PORTER, M. E. (1985). COMPETITIVE ADVANTAGE (keunggulan bersaing): CREATING AND SUSTAINING SUPERIOR PERFORMANCE (kinerja unggul). THE FREE PRESS.
Chicago Style (17th ed.) CitationPORTER, MICHAEL E. COMPETITIVE ADVANTAGE (keunggulan Bersaing): CREATING AND SUSTAINING SUPERIOR PERFORMANCE (kinerja Unggul). THE FREE PRESS, 1985.
MLA (8th ed.) CitationPORTER, MICHAEL E. COMPETITIVE ADVANTAGE (keunggulan Bersaing): CREATING AND SUSTAINING SUPERIOR PERFORMANCE (kinerja Unggul). THE FREE PRESS, 1985.
Warning: These citations may not always be 100% accurate.