Citace podle APA (7th ed.)
Kirp, D. L. (2007). The sandbox investment: The preschool movement and kids-first politics. Harvard University Press.
Citace podle Chicago (17th ed.)
Kirp, David L. The Sandbox Investment: The Preschool Movement and Kids-first Politics. Cambridge, Mass.: Harvard University Press, 2007.
Citace podle MLA (9th ed.)
Kirp, David L. The Sandbox Investment: The Preschool Movement and Kids-first Politics. Harvard University Press, 2007.
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