Dyfyniad APA

Harvey N Switzky. (2006). Mental Retardation Personality And Motivational System Vol.31. Elsevier.

Dyfyniad Arddull Chicago

Harvey N Switzky. Mental Retardation Personality And Motivational System Vol.31. London: Elsevier, 2006.

Dyfyniad MLA

Harvey N Switzky. Mental Retardation Personality And Motivational System Vol.31. Elsevier, 2006.

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