Behrman, J. R., & Lavy, V. (1994). Children's health and achievement in school. World Bank.
Cita Chicago (17th ed.)Behrman, Jere R., i Victor Lavy. Children's Health and Achievement in School. Washington, D.C: World Bank, 1994.
Cita MLA (9th ed.)Behrman, Jere R., i Victor Lavy. Children's Health and Achievement in School. World Bank, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.