Παραπομπή APA

Alok Kumar Rai. (2013). Customer Relationship Management: Concept and Cases (2nd.). PHI Learning Private Limited.

Παραπομπή Chicago Style

Alok Kumar Rai. Customer Relationship Management: Concept and Cases. 2nd. Delhi: PHI Learning Private Limited, 2013.

Παραπομπή MLA

Alok Kumar Rai. Customer Relationship Management: Concept and Cases. 2nd. PHI Learning Private Limited, 2013.

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