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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Division of Behavioral and Social Sciences and Education और Inc ebrary. Early Childhood Development and Learning: New Knowledge for Policy. Washington, DC: National Academy Press, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Research Council (U.S.). Division of Behavioral and Social Sciences and Education और Inc ebrary. Early Childhood Development and Learning: New Knowledge for Policy. National Academy Press, 2001.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.