Porter, M. E. 1., & Porter, M. E. 1. (1990). The competitive advantage of nations. New York, New York: Free Press.
Chicago Style CitationPorter, Michael E. 1947-, and Michael E. 1947- Porter. The Competitive Advantage of Nations. New York, New York: Free Press, 1990.
MLA CitationPorter, Michael E. 1947-, and Michael E. 1947- Porter. The Competitive Advantage of Nations. New York, New York: Free Press, 1990.
Warning: These citations may not always be 100% accurate.