(1961). Intermediate economic analysis. McGraw-Hill.
Chicago-čujuhus (17. p.)Intermediate Economic Analysis. New York: McGraw-Hill, 1961.
MLA-čujuhus (9. p.)Intermediate Economic Analysis. McGraw-Hill, 1961.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.