NATU, V. G. (1977). BUSINESS COMMUNICATION. VIPUL PRAKASHAN.
Chicago-čujuhus (17. p.)NATU, V. G. BUSINESS COMMUNICATION. BOMBAY: VIPUL PRAKASHAN, 1977.
MLA-čujuhus (9. p.)NATU, V. G. BUSINESS COMMUNICATION. VIPUL PRAKASHAN, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.