FITZ-ENZ JACK. (1987). HOW TO MEASURE HUMAN RESOURCES MANAGEMENT. MCGRAW-HILL.
Chicago Style aipamenaFITZ-ENZ JACK. HOW TO MEASURE HUMAN RESOURCES MANAGEMENT. NEW YORK: MCGRAW-HILL, 1987.
MLA aipamenaFITZ-ENZ JACK. HOW TO MEASURE HUMAN RESOURCES MANAGEMENT. MCGRAW-HILL, 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.