Samuelson, P. (2018). Economics (19th.). McGraw Hill.
Chicago-čujuhus (17. p.)Samuelson, Paul. Economics. 19th. McGraw Hill, 2018.
MLA-čujuhus (9. p.)Samuelson, Paul. Economics. 19th. McGraw Hill, 2018.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.