Truett, L. J., & Truett, D. B. (1988). Managerial economics (2nd ed.). South-Western Publishing Co..
Chicago-čujuhus (17. p.)Truett, Lila J., juo Dale B. Truett. Managerial Economics. 2nd ed. Cincinnati, Ohio: South-Western Publishing Co., 1988.
MLA-čujuhus (9. p.)Truett, Lila J., juo Dale B. Truett. Managerial Economics. 2nd ed. South-Western Publishing Co., 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.