Peelen, E. (2005). Customer Relationship Management. Wiley India.
Chicago-čujuhus (17. p.)Peelen, Ed. Customer Relationship Management. New Delhi: Wiley India, 2005.
MLA-čujuhus (9. p.)Peelen, Ed. Customer Relationship Management. Wiley India, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.