APA način citiranja

Krugman, P. R., & Obstfeld, M. (2018). International economics: Theory and policy. Boston: Pearson.

Čikaški stil citiranja

Krugman, Paul R., i Maurice Obstfeld. International Economics: Theory and Policy. Boston: Pearson, 2018.

MLA način citiranja

Krugman, Paul R., i Maurice Obstfeld. International Economics: Theory and Policy. Boston: Pearson, 2018.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.