Young, M. E. (1996). Early child development: Investing in the future. World Bank.
Cita Chicago (17th ed.)Young, Mary E. Early Child Development: Investing in the Future. Washington, D.C.: World Bank, 1996.
Cita MLA (8th ed.)Young, Mary E. Early Child Development: Investing in the Future. World Bank, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.