Samuelson, P. A., & Nordhaus, W. D. (1998). Economics (16th ed.). Irwin/McGraw-Hill.
Chicago-čujuhus (17. p.)Samuelson, Paul A., juo William D. Nordhaus. Economics. 16th ed. Boston, Mass: Irwin/McGraw-Hill, 1998.
MLA-čujuhus (9. p.)Samuelson, Paul A., juo William D. Nordhaus. Economics. 16th ed. Irwin/McGraw-Hill, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.