BLY ROBERT W. (1991). SELLING YOUR SERVICES. HENRY HOLT.
Chicago-čujuhus (17. p.)BLY ROBERT W. SELLING YOUR SERVICES. NEW YORK: HENRY HOLT, 1991.
MLA-čujuhus (9. p.)BLY ROBERT W. SELLING YOUR SERVICES. HENRY HOLT, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.