Sawyer, W. C., & Sprinkle, R. L. (2009). International economics (2rd ed.). Upper Saddle River.
Chicago-čujuhus (17. p.)Sawyer, W. Charles, juo Richard L. Sprinkle. International Economics. 2rd ed. New Jersy: Upper Saddle River, 2009.
MLA-čujuhus (9. p.)Sawyer, W. Charles, juo Richard L. Sprinkle. International Economics. 2rd ed. Upper Saddle River, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.