APA-referens

Porter,Michael E. (1998). The competitive advantage of nations: With a new introduction. Mac Millan.

Chicago-stil citat

Porter,Michael E. The Competitive Advantage of Nations: With a New Introduction. London: Mac Millan, 1998.

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.