Makkar, U. (2012). Customer relationship management. Tata McGraw Hill Education.
Chicago Edition CitationMakkar, Urvashi. Customer Relationship Management. New Delhi: Tata McGraw Hill Education, 2012.
Cita MLAMakkar, Urvashi. Customer Relationship Management. Tata McGraw Hill Education, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.