Cita APA (7a ed.)
Krugman, P. R., & Obstfeld, M. (2005). International economics: Theory and policy (7th ed.). Pearson/Addison Wesley.
Cita Chicago Style (17a ed.)
Krugman, Paul R., y Maurice Obstfeld. International Economics: Theory and Policy. 7th ed. Boston: Pearson/Addison Wesley, 2005.
Cita MLA (9a ed.)
Krugman, Paul R., y Maurice Obstfeld. International Economics: Theory and Policy. 7th ed. Pearson/Addison Wesley, 2005.
Precaución: Estas citas no son 100% exactas.