Porter, M. E. (1998). Competitive advantage: Creating and sustaining superior performance ; with a new introduction. Free Press.
Chicago-Zitierstil (17. Ausg.)Porter, Michael E. Competitive Advantage: Creating and Sustaining Superior Performance ; with a New Introduction. New York [u.a.]: Free Press, 1998.
MLA-Zitierstil (9. Ausg.)Porter, Michael E. Competitive Advantage: Creating and Sustaining Superior Performance ; with a New Introduction. Free Press, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.