NEWELL FREDERICK. (2000). LOYALTY-COM: CUSTOMER RELATIONSHIP MANAGEMENT IN THE NEW ERA OF INTERNET MARKETING. MCGRAW-HILL.
Chicago-čujuhus (17. p.)NEWELL FREDERICK. LOYALTY-COM: CUSTOMER RELATIONSHIP MANAGEMENT IN THE NEW ERA OF INTERNET MARKETING. NEW YORK: MCGRAW-HILL, 2000.
MLA-čujuhus (9. p.)NEWELL FREDERICK. LOYALTY-COM: CUSTOMER RELATIONSHIP MANAGEMENT IN THE NEW ERA OF INTERNET MARKETING. MCGRAW-HILL, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.