Lipsey Richard. (2011). Economics (dom 13th.). Oxford University Press.
Chicago-čujuhus (17. p.)Lipsey Richard. Economics. dom 13th. United King: Oxford University Press, 2011.
MLA-čujuhus (9. p.)Lipsey Richard. Economics. dom 13th. Oxford University Press, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.