Richard Darlene D. (2002). Customer Response Management Handbook: Building, rebuilding and improving your results. Tata McGraw Hill Publishing com Ptd.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Richard Darlene D. Customer Response Management Handbook: Building, Rebuilding and Improving Your Results. New Dehli, India: Tata McGraw Hill Publishing com Ptd, 2002.
MLA -ийн эшлэл (9 дэх хэвлэлт)Richard Darlene D. Customer Response Management Handbook: Building, Rebuilding and Improving Your Results. Tata McGraw Hill Publishing com Ptd, 2002.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.