American Business Review. University of New Haven School of Business.
Chicago-čujuhus (17. p.)American Business Review. University of New Haven School of Business.
MLA-čujuhus (9. p.)American Business Review. University of New Haven School of Business.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.