Cita APA

Porter, M. E. (1980). Competitive strategy: techniques for analyzing: Industries and competitors. Collier Macmillan.

Citación estilo Chicago

Porter, Michael E. Competitive Strategy: Techniques for Analyzing: Industries and Competitors. London: Collier Macmillan, 1980.

Cita MLA

Porter, Michael E. Competitive Strategy: Techniques for Analyzing: Industries and Competitors. Collier Macmillan, 1980.

Warning: These citations may not always be 100% accurate.