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-referens (17:e uppl.)National Research Council (U.S.). Division of Behavioral and Social Sciences and Education och Inc ebrary. Early Childhood Development and Learning: New Knowledge for Policy. Washington, DC: National Academy Press, 2001.
MLA-referens (9:e uppl.)National Research Council (U.S.). Division of Behavioral and Social Sciences and Education och Inc ebrary. Early Childhood Development and Learning: New Knowledge for Policy. National Academy Press, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.