Murphy, H. A. &. o. Effective Business Communication - 7th Ed. 2008.
Chicago-čujuhus (17. p.)Murphy, Herta A. & others. Effective Business Communication - 7th Ed. 2008.
MLA-čujuhus (9. p.)Murphy, Herta A. & others. Effective Business Communication - 7th Ed. 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.