PARVATIYAR A. (2001). CUSTOMER RELATIONSHIP MANAGEMENT. TATA MCGRAW-HILL PUBLISHING COMPANY.
Chicago Style (17. basım) AtıfPARVATIYAR A. CUSTOMER RELATIONSHIP MANAGEMENT. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY, 2001.
MLA (9th ed.) AtıfPARVATIYAR A. CUSTOMER RELATIONSHIP MANAGEMENT. TATA MCGRAW-HILL PUBLISHING COMPANY, 2001.
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