Ulich, R. (1964). Education and the idea of mankind. University of Chicago Press Publishers.
Chicago Style aipamenaUlich, Robert. Education and the Idea of Mankind. Chicago: University of Chicago Press Publishers, 1964.
MLA aipamenaUlich, Robert. Education and the Idea of Mankind. University of Chicago Press Publishers, 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.