Cita APA (7a ed.)
Krugman, P. R., & Obstfeld, . M. (2003). International economics: Theory and policy (Sixth ,ed.). Addison Wesley.
Cita Chicago Style (17a ed.)
Krugman, Paul R., y Maurice Obstfeld. International Economics: Theory and Policy. Sixth ,ed. Boston San Francisco New York: Addison Wesley, 2003.
Cita MLA (9a ed.)
Krugman, Paul R., y Maurice Obstfeld. International Economics: Theory and Policy. Sixth ,ed. Addison Wesley, 2003.
Precaución: Estas citas no son 100% exactas.