Dyfyniad APA

Witmer, L. (1910). What Is Meant by Retardation? Psychol Clin.

Dyfyniad Arddull Chicago

Witmer, Lightner. "What Is Meant By Retardation?" Psychol Clin 1910.

Dyfyniad MLA

Witmer, Lightner. "What Is Meant By Retardation?" Psychol Clin 1910.

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