APA-čujuhus (7. p.)
Fitz-enz, J. (2000). The ROI of human capital: Measuring the economic value of employee performance. AMACOM.
Chicago-čujuhus (17. p.)
Fitz-enz, Jac. The ROI of Human Capital: Measuring the Economic Value of Employee Performance. New York: AMACOM, 2000.
MLA-čujuhus (9. p.)
Fitz-enz, Jac. The ROI of Human Capital: Measuring the Economic Value of Employee Performance. AMACOM, 2000.
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