Cita APA

Porter, M. E. (1985). Competitive advantage: Creating and sustaining superior performance. New York: Free Press.

Citación estilo Chicago

Porter, Michael E. Competitive Advantage: Creating and Sustaining Superior Performance. New York: Free Press, 1985.

Cita MLA

Porter, Michael E. Competitive Advantage: Creating and Sustaining Superior Performance. New York: Free Press, 1985.