Dyche, J. (2002). The CRM Handbook: A Business Guide to Customer Relationship Management. Pearson India.
Lua i Stíl Chicago (17ú heag.)Dyche, Jill. The CRM Handbook: A Business Guide to Customer Relationship Management. New Delhi: Pearson India, 2002.
Lua MLA (9ú heag.)Dyche, Jill. The CRM Handbook: A Business Guide to Customer Relationship Management. Pearson India, 2002.
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