Newell, F. (2008). Why CRM Dosen't Work (1st.). Kogan Page.
Chicago-čujuhus (17. p.)Newell, Frederick. Why CRM Dosen't Work. 1st. Kogan Page, 2008.
MLA-čujuhus (9. p.)Newell, Frederick. Why CRM Dosen't Work. 1st. Kogan Page, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.