APA (7. basım) Alıntı

Porter, M. E. (1980). Competitive strategy: Techniques for analyzing, industries and competitors:with a new introduction. The Free Press.

Chicago Style (17. basım) Atıf

Porter, Michael E. Competitive Strategy: Techniques for Analyzing, Industries and Competitors:with a New Introduction. New York: The Free Press, 1980.

MLA (9th ed.) Atıf

Porter, Michael E. Competitive Strategy: Techniques for Analyzing, Industries and Competitors:with a New Introduction. The Free Press, 1980.