Harvard Business Review. (2001). Harvard Business Review on Customer Relationship Management. Harvard Business Press.
Chicago-referens (17:e uppl.)Harvard Business Review. Harvard Business Review on Customer Relationship Management. Boston: Harvard Business Press, 2001.
MLA-referens (9:e uppl.)Harvard Business Review. Harvard Business Review on Customer Relationship Management. Harvard Business Press, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.