Παραπομπή APA

Porter, M. E. (1998). The competitive advantage of nations: With a new introduction. Hampshire: Palgrave.

Παραπομπή Chicago Style

Porter, Michael E. The Competitive Advantage of Nations: With a New Introduction. Hampshire: Palgrave, 1998.

Παραπομπή MLA

Porter, Michael E. The Competitive Advantage of Nations: With a New Introduction. Hampshire: Palgrave, 1998.

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