Lesikar. Business Communication. Tata McGraw Hill.
Chicago-čujuhus (17. p.)Lesikar. Business Communication. Tata McGraw Hill.
MLA-čujuhus (9. p.)Lesikar. Business Communication. Tata McGraw Hill.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.