Johnson, C. M. (2005). Encyclopedia of Training and Performance Management: Organizational Performance Vol.6.
Chicago-tyylinen lähdeviittausJohnson, C Merle,et.al. Encyclopedia of Training and Performance Management: Organizational Performance Vol.6. Jaico Publishing House: Mumbai, 2005.
MLA-viiteJohnson, C Merle,et.al. Encyclopedia of Training and Performance Management: Organizational Performance Vol.6. 2005.
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