Παραπομπή APA

Montgomery, C. A., & Porter, M. E. (1991). Strategy: Seeking and securing competitive advantage. Boston: Harvard Business School Press.

Παραπομπή Chicago Style

Montgomery, Cynthia A., and Michael E. Porter. Strategy: Seeking and Securing Competitive Advantage. Boston: Harvard Business School Press, 1991.

Παραπομπή MLA

Montgomery, Cynthia A., and Michael E. Porter. Strategy: Seeking and Securing Competitive Advantage. Boston: Harvard Business School Press, 1991.

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