National Research Council (U.S.). Mathematics Learning Study Committee, Kilpatrick, J., & Swafford, J. (2002). Helping children learn mathematics. National Academy Press.
Citace podle Chicago (17th ed.)National Research Council (U.S.). Mathematics Learning Study Committee, Jeremy Kilpatrick, a Jane Swafford. Helping Children Learn Mathematics. Washington, DC: National Academy Press, 2002.
Citace podle MLA (9th ed.)National Research Council (U.S.). Mathematics Learning Study Committee, et al. Helping Children Learn Mathematics. National Academy Press, 2002.
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