APA-Zitierstil (7. Ausg.)

Krugman, P. R., & Obstfeld, M. (2009). International economics: Theory and policy (Eighth edition.). Pearson Addison-Wesley.

Chicago-Zitierstil (17. Ausg.)

Krugman, Paul R., und Maurice Obstfeld. International Economics: Theory and Policy. Eighth edition. Boston: Pearson Addison-Wesley, 2009.

MLA-Zitierstil (8. Ausg.)

Krugman, Paul R., und Maurice Obstfeld. International Economics: Theory and Policy. Eighth edition. Pearson Addison-Wesley, 2009.