Richard Darlene D. (2002). Customer Response Management Handbook: Building, rebuilding and improving your results. Tata McGraw Hill Publishing com Ptd.
Chicago-Zitierstil (17. Ausg.)Richard Darlene D. Customer Response Management Handbook: Building, Rebuilding and Improving Your Results. New Dehli, India: Tata McGraw Hill Publishing com Ptd, 2002.
MLA-Zitierstil (9. Ausg.)Richard Darlene D. Customer Response Management Handbook: Building, Rebuilding and Improving Your Results. Tata McGraw Hill Publishing com Ptd, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.