Garces, E., Thomas, D., & Currie, J. (2000). Longer term effects and head start. National Bureau of Economic Research.
Citace podle Chicago (17th ed.)Garces, Eliana, Duncan Thomas, a Janet Currie. Longer Term Effects and Head Start. Cambridge: National Bureau of Economic Research, 2000.
Citace podle MLA (9th ed.)Garces, Eliana, et al. Longer Term Effects and Head Start. National Bureau of Economic Research, 2000.
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