Lefton, R. E. a. (1977). Effective motivation through performance appraisal: Dimensional appraisal strategies. John Wiley.
Chicago-tyylinen lähdeviittausLefton, Robert E...[et al.]. Effective Motivation Through Performance Appraisal: Dimensional Appraisal Strategies. New York: John Wiley, 1977.
MLA-viiteLefton, Robert E...[et al.]. Effective Motivation Through Performance Appraisal: Dimensional Appraisal Strategies. John Wiley, 1977.
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