Cita APA

PORTER, M. E. (1980). Competitive strategy: Techniques for analyzing industries and competitors. The Free Press.

Citación estilo Chicago

PORTER, Michael E. Competitive Strategy: Techniques for Analyzing Industries and Competitors. New York: The Free Press, 1980.

Cita MLA

PORTER, Michael E. Competitive Strategy: Techniques for Analyzing Industries and Competitors. The Free Press, 1980.

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