Krugman, P. R., & Obstfeld, M. (2003). International economics: Theory and policy (6th ed.). Addison-Wesley.
Chicago-čujuhus (17. p.)Krugman, Paul R., juo Maurice Obstfeld. International Economics: Theory and Policy. 6th ed. Boston: Addison-Wesley, 2003.
MLA-čujuhus (9. p.)Krugman, Paul R., juo Maurice Obstfeld. International Economics: Theory and Policy. 6th ed. Addison-Wesley, 2003.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.