Currie, J., & Thomas, D. (1998). School quality and the longer-term effects of Head Start. National Bureau of Economic Research.
Citazione stile Chigago Style (17a edizione)Currie, Janet, e Duncan Thomas. School Quality and the Longer-term Effects of Head Start. Cambridge: National Bureau of Economic Research, 1998.
Citatione MLA (9a ed.)Currie, Janet, e Duncan Thomas. School Quality and the Longer-term Effects of Head Start. National Bureau of Economic Research, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.