APA (7 वां संस्करण) प्रशस्ति पत्र

(1991). Strategy Seeking And Securing Competitive Advantage Edited With An Introduction By Cynthia A. Montgomery And Michael E. Porter. Harvard Business School.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Strategy Seeking And Securing Competitive Advantage Edited With An Introduction By Cynthia A. Montgomery And Michael E. Porter. Harvard Business School, 1991.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Strategy Seeking And Securing Competitive Advantage Edited With An Introduction By Cynthia A. Montgomery And Michael E. Porter. Harvard Business School, 1991.

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