Harvard Business School Press. (2001). Harvard business review on customer relationship management. Harvard Business School Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Harvard Business School Press. Harvard Business Review on Customer Relationship Management. Boston: Harvard Business School Press, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)Harvard Business School Press. Harvard Business Review on Customer Relationship Management. Harvard Business School Press, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.