Switzky, H. N. (2004). Personality and motivational systems in mental retardation Vol.28. Elsevier.
Chicago Style aipamenaSwitzky, Harvey N. Personality and Motivational Systems in Mental Retardation Vol.28. Amsterdam: Elsevier, 2004.
MLA aipamenaSwitzky, Harvey N. Personality and Motivational Systems in Mental Retardation Vol.28. Elsevier, 2004.
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