Fitz-enz,Jac. (2009). The ROI of human capital: Measuring the economic value of employee performance (2nd ed.). AMACOM.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFitz-enz,Jac. The ROI of Human Capital: Measuring the Economic Value of Employee Performance. 2nd ed. New York: AMACOM, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFitz-enz,Jac. The ROI of Human Capital: Measuring the Economic Value of Employee Performance. 2nd ed. AMACOM, 2009.
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