(1977). Modern economic thought. Basil Blackwell.
Chicago-čujuhus (17. p.)Modern Economic Thought. Oxford: Basil Blackwell, 1977.
MLA-čujuhus (9. p.)Modern Economic Thought. Basil Blackwell, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.