Rai, U. (1991). Business Communication. Himalaya Publishing House.
Chicago-čujuhus (17. p.)Rai, U. Business Communication. Mumbai: Himalaya Publishing House, 1991.
MLA-čujuhus (9. p.)Rai, U. Business Communication. Himalaya Publishing House, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.