Style de citation APA (7e éd.)

Krugman,Paul R., & Obstfeld, M. (2009). International economics: Theory and policy (8th ed.). Pearson Addison-Wesley.

Style de citation Chicago (17e éd.)

Krugman,Paul R., et Maurice Obstfeld. International Economics: Theory and Policy. 8th ed. Boston: Pearson Addison-Wesley, 2009.

Style de citation MLA (9e éd.)

Krugman,Paul R., et Maurice Obstfeld. International Economics: Theory and Policy. 8th ed. Pearson Addison-Wesley, 2009.