Ferrell, O. (2008). Business: A changing World (6th.).
Chicago-čujuhus (17. p.)Ferrell, O.C. Business: A Changing World. 6th. Ney York, 2008.
MLA-čujuhus (9. p.)Ferrell, O.C. Business: A Changing World. 6th. 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.