APA (7th ed.) Zitazioa

National Research Council (U.S.). Division of Behavioral and Social Sciences and Education & ebrary, Inc. (2001). Early childhood development and learning: New knowledge for policy. National Academy Press.

Chicago Style (17th ed.) Zitazioa

National Research Council (U.S.). Division of Behavioral and Social Sciences and Education eta Inc ebrary. Early Childhood Development and Learning: New Knowledge for Policy. Washington, DC: National Academy Press, 2001.

MLA (9th ed.) Zitazioa

National Research Council (U.S.). Division of Behavioral and Social Sciences and Education eta Inc ebrary. Early Childhood Development and Learning: New Knowledge for Policy. National Academy Press, 2001.