Fitz-enz, J. (1987). How to measure human resources management. Mc Graw Hill.
Lua i Stíl Chicago (17ú heag.)Fitz-enz, Jac. How to Measure Human Resources Management. New York: Mc Graw Hill, 1987.
Lua MLA (9ú heag.)Fitz-enz, Jac. How to Measure Human Resources Management. Mc Graw Hill, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.