Samuelson, P. A. (2011). Economics (19th.). Mcgraw hill.
Chicago-čujuhus (17. p.)Samuelson, Paul A. Economics. 19th. New Delhi: Mcgraw hill, 2011.
MLA-čujuhus (9. p.)Samuelson, Paul A. Economics. 19th. Mcgraw hill, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.