Harms, T., Cryer, D., & Clifford, R. M. (2006). Infant/toddler environment rating scale (Rev. ed.). Teachers College Press.
Dyfyniad Arddull ChicagoHarms, Thelma, Debby Cryer, and Richard M. Clifford. Infant/toddler Environment Rating Scale. Rev. ed. New York: Teachers College Press, 2006.
Dyfyniad MLAHarms, Thelma, et al. Infant/toddler Environment Rating Scale. Rev. ed. Teachers College Press, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.