APA (7th ed.) Zitazioa
Piaget, J. (2002). Judgment and reasoning in the child. Routledge.
Chicago Style (17th ed.) Zitazioa
Piaget, Jean. Judgment and Reasoning in the Child. London: Routledge, 2002.
MLA (9th ed.) Zitazioa
Piaget, Jean. Judgment and Reasoning in the Child. Routledge, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.