APA استشهاد

Alok Kumar Rai. (2013). Customer Relationship Management (2.). PHI.

استشهاد بنمط شيكاغو

Alok Kumar Rai. Customer Relationship Management. 2. Delhi: PHI, 2013.

MLA استشهاد

Alok Kumar Rai. Customer Relationship Management. 2. PHI, 2013.