Eggert, J. (1974). What is Economics? Bergamot.
Chicago-čujuhus (17. p.)Eggert, Jim. What Is Economics? Colfax: Bergamot, 1974.
MLA-čujuhus (9. p.)Eggert, Jim. What Is Economics? Bergamot, 1974.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.