FITZ-ENZ JAC. (1983). HOW TO MEASURE HUMAN RESOURCES MANAGEMENT. MCGRAW-HILL.
Lua i Stíl Chicago (17ú heag.)FITZ-ENZ JAC. HOW TO MEASURE HUMAN RESOURCES MANAGEMENT. NEW YORK: MCGRAW-HILL, 1983.
Lua MLA (9ú heag.)FITZ-ENZ JAC. HOW TO MEASURE HUMAN RESOURCES MANAGEMENT. MCGRAW-HILL, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.