HALCROW, H. G. (1980). Economics of agriculture. McGraw-Hill.
Chicago-čujuhus (17. p.)HALCROW, Harold G. Economics of Agriculture. New York: McGraw-Hill, 1980.
MLA-čujuhus (9. p.)HALCROW, Harold G. Economics of Agriculture. McGraw-Hill, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.