Harvard Business Review. (2017). HBR's 10 Must Reads on Sales. HBSP.
Chicago-čujuhus (17. p.)Harvard Business Review. HBR's 10 Must Reads on Sales. Boston, U.S: HBSP, 2017.
MLA-čujuhus (9. p.)Harvard Business Review. HBR's 10 Must Reads on Sales. HBSP, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.