Zikmund, W. (2004). Customer relationship management. John Wiley.
Chicago-čujuhus (17. p.)Zikmund, William. Customer Relationship Management. Singapore: John Wiley, 2004.
MLA-čujuhus (9. p.)Zikmund, William. Customer Relationship Management. John Wiley, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.