Samuelson, P. A. (1985). Economics (12th.). McGraw-Hill.
Chicago-čujuhus (17. p.)Samuelson, Paul A. Economics. 12th. Singapore: McGraw-Hill, 1985.
MLA-čujuhus (9. p.)Samuelson, Paul A. Economics. 12th. McGraw-Hill, 1985.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.