APA aipamena

Krugman, P. R. (2003). Study Guide to accompany international economics: Theory and policy. Boston: Addison Wesley.

Chicago Style aipamena

Krugman, Paul R. Study Guide to Accompany International Economics: Theory and Policy. Boston: Addison Wesley, 2003.

MLA aipamena

Krugman, Paul R. Study Guide to Accompany International Economics: Theory and Policy. Boston: Addison Wesley, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.