Heck, A. O. (1953). The education of exceptional children: Its challenge to teachers, parents, and laymen (2a. ed.). New York: McGraw-Hill.
Citación estilo ChicagoHeck, Arch O. The Education of Exceptional Children: Its Challenge to Teachers, Parents, and Laymen. 2a. ed. New York: McGraw-Hill, 1953.
Cita MLAHeck, Arch O. The Education of Exceptional Children: Its Challenge to Teachers, Parents, and Laymen. 2a. ed. New York: McGraw-Hill, 1953.
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