Costell, J. (2004). The science of sales success: A proven system for high-profit, repeatable results. AMACOM.
Kopierejuvvon čuohpusbeavdái
Kopieren čuohpusbeavdái ii lihkostuvvan
Chicago-čujuhus (17. p.)
Costell, Josh. The Science of Sales Success: A Proven System for High-profit, Repeatable Results. New York: AMACOM, 2004.
Kopierejuvvon čuohpusbeavdái
Kopieren čuohpusbeavdái ii lihkostuvvan
MLA-čujuhus (9. p.)
Costell, Josh. The Science of Sales Success: A Proven System for High-profit, Repeatable Results. AMACOM, 2004.
Kopierejuvvon čuohpusbeavdái
Kopieren čuohpusbeavdái ii lihkostuvvan
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.