Samuelson, P. A. (2017). Economics (19th.). McGraw Hill.
Chicago-čujuhus (17. p.)Samuelson, Paul A. Economics. 19th. New Delhi: McGraw Hill, 2017.
MLA-čujuhus (9. p.)Samuelson, Paul A. Economics. 19th. McGraw Hill, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.