F.Zeuthen. (1957). Economic theory and method. Longmans.
Chicago-čujuhus (17. p.)F.Zeuthen. Economic Theory and Method. London: Longmans, 1957.
MLA-čujuhus (9. p.)F.Zeuthen. Economic Theory and Method. Longmans, 1957.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.