APA (7th ed.) Zitazioa
ebrary, Inc, Kilpatrick, J., & Swafford, J. (2002). Helping children learn mathematics. National Academy Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Jeremy Kilpatrick, eta Jane Swafford. Helping Children Learn Mathematics. Washington, DC: National Academy Press, 2002.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Helping Children Learn Mathematics. National Academy Press, 2002.
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