Samuelson, P. A., & Nordhaus, W. D. (2005). Economics (18th ed.). McGraw-Hill/Irwin.
Chicago-čujuhus (17. p.)Samuelson, Paul A., juo William D. Nordhaus. Economics. 18th ed. Boston: McGraw-Hill/Irwin, 2005.
MLA-čujuhus (9. p.)Samuelson, Paul A., juo William D. Nordhaus. Economics. 18th ed. McGraw-Hill/Irwin, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.