National Association for the Education of Young Children (NAEYC) http://woub.org/kids/learn_through_play.htm
How Do Young Children Learn? Scott B. Hamilton, Psy.D.; HSPP http://www.parktudor.org/hilbert/Pages/HowYoungChildrenLearn.aspx
Developmentally Appropriate Practice in Early Childhood Programs Serving Children from Birth Through Age 8 (Expanded Edition) by Sue Bredekamp (Ed.), 1990, Washington, DC: National Association for the Education of Young Children. http://www.ncrel.org/sdrs/areas/issues/students/earlycld/ea1lk1-1.htm
How Young Children Learn Language,By Bruce D. Perry MD, PhD | April 2006 Early Childhood Todaycontent.scholastic.com/browse/article.jsp?id=3463
Helping Young Children Grow & Learn:By Evelyn Reed-Victor, Ph.D., Virginia Commonwealth University and Michele Myers, Doctoral Fellow, The College of William and Mary, http://www.wm.edu/hope/infobrief/ECSE-family.pdf
Getting Young Children Ready To Learn Ellen Abell, Extension Specialist, Associate Professor, Human Development and Family Studies, Auburn University, and Muriel Azria, http://www.aces.edu/pubs/docs/H/HE-0722/HE-0722.pdf