Ferrell, O., Ferrell, L., & Hirt, G. A. (2009). Business: A changing world (7th ed.). McGraw-Hill.
Chicago-čujuhus (17. p.)Ferrell, O.C, Linda Ferrell, juo Geoffrey A. Hirt. Business: A Changing World. 7th ed. Boston: McGraw-Hill, 2009.
MLA-čujuhus (9. p.)Ferrell, O.C, et al. Business: A Changing World. 7th ed. McGraw-Hill, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.