APA ציטוט

Switzky, H. N. (2004). Personality and motivational systems in mental retardation Vol.28. Elsevier.

Chicago Edition Citation

Switzky, Harvey N. Personality and Motivational Systems in Mental Retardation Vol.28. Amsterdam: Elsevier, 2004.

ציטוט MLA

Switzky, Harvey N. Personality and Motivational Systems in Mental Retardation Vol.28. Elsevier, 2004.