Porter, M. E. (1998). The competitive advantage of nations: With a new introduction. The Free Press.
Cita Chicago Style (17a ed.)Porter, Michael E. The Competitive Advantage of Nations: With a New Introduction. New York: The Free Press, 1998.
Cita MLA (8a ed.)Porter, Michael E. The Competitive Advantage of Nations: With a New Introduction. The Free Press, 1998.
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