Rai, A. K. (2016). Customer Relationship Management (2nd.). PHI.
Chicago-čujuhus (17. p.)Rai, Alok Kumar. Customer Relationship Management. 2nd. PHI, 2016.
MLA-čujuhus (9. p.)Rai, Alok Kumar. Customer Relationship Management. 2nd. PHI, 2016.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.