Citazione Stile APA (7a Edizione)

Fitz-enz,Jac. (2009). The ROI of human capital: Measuring the economic value of employee performance (2nd ed.). AMACOM.

Citazione stile Chigago Style (17a edizione)

Fitz-enz,Jac. The ROI of Human Capital: Measuring the Economic Value of Employee Performance. 2nd ed. New York: AMACOM, 2009.

Citatione MLA (9a ed.)

Fitz-enz,Jac. The ROI of Human Capital: Measuring the Economic Value of Employee Performance. 2nd ed. AMACOM, 2009.