Doctor, R. Principles and practice of business communication.
Chicago-čujuhus (17. p.)Doctor, Rhoda. Principles and Practice of Business Communication.
MLA-čujuhus (9. p.)Doctor, Rhoda. Principles and Practice of Business Communication.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.