Dyfyniad APA

Harms, T., Clifford, R. M., & Cryer, D. (2005). Early childhood environment rating scale (Rev. ed., updated.). Teachers College, Columbia University..

Dyfyniad Arddull Chicago

Harms, Thelma, Richard M. Clifford, and Debby Cryer. Early Childhood Environment Rating Scale. Rev. ed., updated. New York: Teachers College, Columbia University., 2005.

Dyfyniad MLA

Harms, Thelma, et al. Early Childhood Environment Rating Scale. Rev. ed., updated. Teachers College, Columbia University., 2005.

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