Vetrivel, T. (2011). Customer relationship management. Discovery Publishing House Pvt Ltd.
Chicago Edition CitationVetrivel, T. Customer Relationship Management. New Delhi: Discovery Publishing House Pvt Ltd, 2011.
Cita MLAVetrivel, T. Customer Relationship Management. Discovery Publishing House Pvt Ltd, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.