.Appleyard, D. R., .Field, A. J., & .Cobb, S. L. (2008). International economics (6th ed.). McGraw-Hill Irwin.
Chicago-čujuhus (17. p.).Appleyard, Dennis R., Alfred J. .Field, juo Steven L. .Cobb. International Economics. 6th ed. Boston: McGraw-Hill Irwin, 2008.
MLA-čujuhus (9. p.).Appleyard, Dennis R., et al. International Economics. 6th ed. McGraw-Hill Irwin, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.