Harvard Business Review. (2001). Harvard Business Review on Customer Relationship Management. Harvard Business Press.
Chicago Style aipamenaHarvard Business Review. Harvard Business Review on Customer Relationship Management. Boston: Harvard Business Press, 2001.
MLA aipamenaHarvard Business Review. Harvard Business Review on Customer Relationship Management. Harvard Business Press, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.