(1967). Economics a general introduction. Pitman.
Chicago-čujuhus (17. p.)Economics a General Introduction. London: Pitman, 1967.
MLA-čujuhus (9. p.)Economics a General Introduction. Pitman, 1967.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.