Harvard Business School. Press. (2001). Harvard business review on customer relationship management. Harvard Business School Press.
Chicago ZitierstilHarvard Business School. Press. Harvard Business Review on Customer Relationship Management. Boston: Harvard Business School Press, 2001.
MLA ZitierstilHarvard Business School. Press. Harvard Business Review on Customer Relationship Management. Harvard Business School Press, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.