Harvard Business School. (2001). Harvard business review on what makes a leader. Harvard Business School Press.
Chicago Style aipamenaHarvard Business School. Harvard Business Review on What Makes a Leader. Boston: Harvard Business School Press, 2001.
MLA aipamenaHarvard Business School. Harvard Business Review on What Makes a Leader. Harvard Business School Press, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.