THIRKETTLE, G. (1968). Advanced economics. Macdonald and Evans.
Chicago-čujuhus (17. p.)THIRKETTLE, G.L. Advanced Economics. London: Macdonald and Evans, 1968.
MLA-čujuhus (9. p.)THIRKETTLE, G.L. Advanced Economics. Macdonald and Evans, 1968.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.