Cita APA (7a ed.)
Porter, M. E. (1980). Competitive Strategy: Techniques for Analyzing Industries and Competitors (1. ed.). Free Press.
Cita Chicago Style (17a ed.)
Porter, Michael E. Competitive Strategy: Techniques for Analyzing Industries and Competitors. 1. ed. New York: Free Press, 1980.
Cita MLA (9a ed.)
Porter, Michael E. Competitive Strategy: Techniques for Analyzing Industries and Competitors. 1. ed. Free Press, 1980.
Precaución: Estas citas no son 100% exactas.