Overholt, J. L., White-Holtz, J., & Dickson, S. S. (1999). Big math activities for young children for preschool, kindergarten, and primary children. Delmar Publishers.
Lua i Stíl Chicago (17ú heag.)Overholt, James L., Jackie White-Holtz, agus Sydney S. Dickson. Big Math Activities for Young Children for Preschool, Kindergarten, and Primary Children. Albany, N.Y.: Delmar Publishers, 1999.
Lua MLA (8ú heag.)Overholt, James L., et al. Big Math Activities for Young Children for Preschool, Kindergarten, and Primary Children. Delmar Publishers, 1999.
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