Rai,Alok Kumar. (2008). Customer Relationship Management: Concepts and Cases. PHI.
Čikaški stil citiranjaRai,Alok Kumar. Customer Relationship Management: Concepts and Cases. New Delhi: PHI, 2008.
MLA način citiranjaRai,Alok Kumar. Customer Relationship Management: Concepts and Cases. PHI, 2008.
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