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.
Cita Chicago (17th ed.)National Research Council (U.S.). Division of Behavioral and Social Sciences and Education i Inc ebrary. Early Childhood Development and Learning: New Knowledge for Policy. Washington, DC: National Academy Press, 2001.
Cita MLA (9th ed.)National Research Council (U.S.). Division of Behavioral and Social Sciences and Education i Inc ebrary. Early Childhood Development and Learning: New Knowledge for Policy. National Academy Press, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.