Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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