V.kumar & Werner J.reinartz. (2006). Customer relationship management: A database approach. John wiley and sons.
Čikaški stil citiranjaV.kumar i Werner J.reinartz. Customer Relationship Management: A Database Approach. USA: John wiley and sons, 2006.
MLA način citiranjaV.kumar i Werner J.reinartz. Customer Relationship Management: A Database Approach. John wiley and sons, 2006.
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