1Barnett W. S., Hustedt J. T. Improving Public Financing for Early Learning Programs [EB/OL]. http://nieer.org/resources/ policybriefs/24.pdf.
2Barnett, W. S. Benefits and Costs of Quality Early Childhood Education [J]. The Children's Legal Rights Journal, 2007, (27) ; Reynolds A.J., et al. Age 26 Cost-Benefit Analysis of the Child-Parent Center Early Education Program [J]. Child Development, 2011, ( 1 ).
