APA استشهاد

Makkar, U. (2012). Customer relationship management. Tata McGraw Hill Education.

استشهاد بنمط شيكاغو

Makkar, Urvashi. Customer Relationship Management. New Delhi: Tata McGraw Hill Education, 2012.

MLA استشهاد

Makkar, Urvashi. Customer Relationship Management. Tata McGraw Hill Education, 2012.