Boulding, K. (1970). Economics as a science. Mc Graw Hill.
Chicago-čujuhus (17. p.)Boulding, K. Economics as a Science. New york: Mc Graw Hill, 1970.
MLA-čujuhus (9. p.)Boulding, K. Economics as a Science. Mc Graw Hill, 1970.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.