Porter, M. E. (1998). Competitive strategy: Techniques for analyzing industries and competitors : with a new introduction (1st Free Press ed.). Free Press.
Citação norma ChicagoPorter, Michael E. Competitive Strategy: Techniques for Analyzing Industries and Competitors : With a New Introduction. 1st Free Press ed. New York: Free Press, 1998.
Citação norma MLAPorter, Michael E. Competitive Strategy: Techniques for Analyzing Industries and Competitors : With a New Introduction. 1st Free Press ed. Free Press, 1998.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.