Janis, J. Writing and communicating in Business.
Chicago-čujuhus (17. p.)Janis, J. Writing and Communicating in Business.
MLA-čujuhus (9. p.)Janis, J. Writing and Communicating in Business.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.