Landry, S. H. (2008) "The Role of Parents in Early Childhood Learning", Encyclopedia of Early Childhood Development
Lyytinen, P., Laakso, M. L. & A. M. Poikkeus (1998) "Parental Contribution to Child's Early Language and Interest in Books", European Journal of Psychology of Education
Melhuish, E. C. "A Literature Review of the Impact of Early Years Provision on Young Children, with Emphasis Given to Children from Disadvantaged Backgrounds"
National Network for Child Care (NNCC) (1998) "Childcare in the United States: Yesterday and Today"
Tamis- Le Monda C. S. & E. T. Rodriguez (2008) "Parents' Role in Fostering Young Children's Learning and Language Development" , Encyclopedia of Early Childhood Development
Toddlers in Stay and Play by San Jose Library http://www.flickr.com/photos/sanjoselibrary/3707891536/
Toddlers in setting Music session by San Mateo County Library http://www.flickr.com/photos/56031406@N00/3061760537
Toddler on computer by Crimfant http://www.flickr.com/photos/crimfants/343638276/
Toddler reading by Rob and Joyce Hansen http://www.flickr.com/photos/robenjoyce/4401438186/
Toddlers playing with sand by Jessica Merz http://www.flickr.com/photos/94953676@N00/2088552076
Toddler playing with leaves by Tom Conger http://www.flickr.com/photos/tomconger/3004925256/
Toddler Curriculum, Kidzparks