APA
Alok kumar Rai, . (2008). Customer relationship management: concepts and cases. New Delhi: PHI Learning Private Limited.
Chicago
Alok kumar Rai, . 2008. Customer relationship management: concepts and cases. New Delhi: PHI Learning Private Limited.
Harvard
Alok kumar Rai, . (2008). Customer relationship management: concepts and cases. New Delhi: PHI Learning Private Limited.
MLA
Alok kumar Rai, . Customer relationship management: concepts and cases. New Delhi: PHI Learning Private Limited. 2008.