Sharp, A. M. (1988). Economics of social issues (8th ed.). IRWIN.
Chicago-čujuhus (17. p.)Sharp, Ansel M. Economics of Social Issues. 8th ed. Homewood: IRWIN, 1988.
MLA-čujuhus (9. p.)Sharp, Ansel M. Economics of Social Issues. 8th ed. IRWIN, 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.