Baran, R. J. (2008). Customer relationship management.
Chicago-čujuhus (17. p.)Baran, Roger J. Customer Relationship Management. Australia, 2008.
MLA-čujuhus (9. p.)Baran, Roger J. Customer Relationship Management. 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.