Deville, J. (1984). The psychology of leadership. The New American Library Inc.
Chicago Style aipamenaDeville, Jard. The Psychology of Leadership. New York: The New American Library Inc, 1984.
MLA aipamenaDeville, Jard. The Psychology of Leadership. The New American Library Inc, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.