Wagner, W. P. (2007). Customer reltionship management: A pepople process, and technology approach. Course Technology.
Čikaški stil citiranjaWagner, William P. Customer Reltionship Management: A Pepople Process, and Technology Approach. Course Technology, 2007.
MLA način citiranjaWagner, William P. Customer Reltionship Management: A Pepople Process, and Technology Approach. Course Technology, 2007.
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