Young, M. E., & Richardson, L. M. (2007). Early child development from measurement to action: A priority for growth and equity. World Bank.
Lua i Stíl Chicago (17ú heag.)Young, Mary E., agus Linda M. Richardson. Early Child Development from Measurement to Action: A Priority for Growth and Equity. Washington, D.C.: World Bank, 2007.
Lua MLA (9ú heag.)Young, Mary E., agus Linda M. Richardson. Early Child Development from Measurement to Action: A Priority for Growth and Equity. World Bank, 2007.