APA aipamena

Bettelheim, B. (1991). The informed heart. Penguin Books.

Chicago Style aipamena

Bettelheim, Bruno. The Informed Heart. London: Penguin Books, 1991.

MLA aipamena

Bettelheim, Bruno. The Informed Heart. Penguin Books, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.