Krugman, P. R., & Obstfeld, M. (2009). International economics: Theory and policy (8th ed.). Pearson Addison-Wesley.
Dyfyniad Arddull ChicagoKrugman, Paul R., and Maurice Obstfeld. International Economics: Theory and Policy. 8th ed. Boston: Pearson Addison-Wesley, 2009.
Dyfyniad MLAKrugman, Paul R., and Maurice Obstfeld. International Economics: Theory and Policy. 8th ed. Pearson Addison-Wesley, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.