Knox,Simon, Maklan,Stan, Payne,Adrian, Peppard,Joe, & Ryals,Lynette. (2009). Customer Relationship Management: Perspectives from the Marketplace. Butterworth - Heinemann.
শিকাগো স্টাইলে সাইটেশনKnox,Simon, Maklan,Stan, Payne,Adrian, Peppard,Joe, এবং Ryals,Lynette. Customer Relationship Management: Perspectives from the Marketplace. Oxford: Butterworth - Heinemann, 2009.
এমএলএ সাইটেশনKnox,Simon, et al. Customer Relationship Management: Perspectives from the Marketplace. Butterworth - Heinemann, 2009.
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