Fitz-enz,Jac. (2009). The ROI of human capital: Measuring the economic value of employee performance (2nd ed.). AMACOM.
Цитирование в стиле Чикаго (17-е изд.)Fitz-enz,Jac. The ROI of Human Capital: Measuring the Economic Value of Employee Performance. 2nd ed. New York: AMACOM, 2009.
Цитирование MLA (9-е изд.)Fitz-enz,Jac. The ROI of Human Capital: Measuring the Economic Value of Employee Performance. 2nd ed. AMACOM, 2009.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.