Maddux, R. (2004). Effective Performance Appraisals (4th ed.). Viva.
Chicago-čujuhus (17. p.)Maddux, Robert. Effective Performance Appraisals. 4th ed. New Delhi: Viva, 2004.
MLA-čujuhus (9. p.)Maddux, Robert. Effective Performance Appraisals. 4th ed. Viva, 2004.
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