APA-referens

Krugman, P. R. (1996). International economics: Theory and policy. Reading, Massachusetts: Addition-Wesley.

Chicago-stil citat

Krugman, Paul R. International Economics: Theory and Policy. Reading, Massachusetts: Addition-Wesley, 1996.

MLA-referens

Krugman, Paul R. International Economics: Theory and Policy. Reading, Massachusetts: Addition-Wesley, 1996.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.