Richard Darlene D. (2002). Customer Response Management Handbook: Building, rebuilding and improving your results. Tata McGraw Hill Publishing com Ptd.
Chicago-referens (17:e uppl.)Richard Darlene D. Customer Response Management Handbook: Building, Rebuilding and Improving Your Results. New Dehli, India: Tata McGraw Hill Publishing com Ptd, 2002.
MLA-referens (9:e uppl.)Richard Darlene D. Customer Response Management Handbook: Building, Rebuilding and Improving Your Results. Tata McGraw Hill Publishing com Ptd, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.