Overholt, J. L., White-Holtz, J., & Dickson, S. S. (1999). Big math activities for young children for preschool, kindergarten, and primary children. Delmar Publishers.
Dyfyniad Arddull ChicagoOverholt, James L., Jackie White-Holtz, and Sydney S. Dickson. Big Math Activities for Young Children for Preschool, Kindergarten, and Primary Children. Albany, N.Y.: Delmar Publishers, 1999.
Dyfyniad MLAOverholt, James L., et al. Big Math Activities for Young Children for Preschool, Kindergarten, and Primary Children. Delmar Publishers, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.