APA aipamena

Porter, M. E. (1983). Cases in competitive strategy. Free Press Collier Macmillan.

Chicago Style aipamena

Porter, Michael E. Cases in Competitive Strategy. New York London: Free Press Collier Macmillan, 1983.

MLA aipamena

Porter, Michael E. Cases in Competitive Strategy. Free Press Collier Macmillan, 1983.