Harms, T., Clifford, R. M., & Cryer, D. (2005). Early childhood environment rating scale (Rev. ed., updated.). Teachers College, Columbia University..
Chicago Style (17. basım) AtıfHarms, Thelma, Richard M. Clifford, ve Debby Cryer. Early Childhood Environment Rating Scale. Rev. ed., updated. New York: Teachers College, Columbia University., 2005.
MLA (8th ed.) AtıfHarms, Thelma, et al. Early Childhood Environment Rating Scale. Rev. ed., updated. Teachers College, Columbia University., 2005.
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