PARVATIYAR A. (2001). CUSTOMER RELATIONSHIP MANAGEMENT. TATA MCGRAW-HILL PUBLISHING COMPANY.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPARVATIYAR A. CUSTOMER RELATIONSHIP MANAGEMENT. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPARVATIYAR A. CUSTOMER RELATIONSHIP MANAGEMENT. TATA MCGRAW-HILL PUBLISHING COMPANY, 2001.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.