Cita APA

Porter, M. E. 1., & Porter, M. E. 1. (1985). Competitive advantage: Creating and sustaining superior performance. New York, New York: Free Press.

Citación estilo Chicago

Porter, Michael E. 1947-, y Michael E. 1947- Porter. Competitive Advantage: Creating and Sustaining Superior Performance. New York, New York: Free Press, 1985.

Cita MLA

Porter, Michael E. 1947-, y Michael E. 1947- Porter. Competitive Advantage: Creating and Sustaining Superior Performance. New York, New York: Free Press, 1985.