FITZ-ENZ JACK. (1987). HOW TO MEASURE HUMAN RESOURCES MANAGEMENT. MCGRAW-HILL.
Cita Chicago (17th ed.)FITZ-ENZ JACK. HOW TO MEASURE HUMAN RESOURCES MANAGEMENT. NEW YORK: MCGRAW-HILL, 1987.
Cita MLA (9th ed.)FITZ-ENZ JACK. HOW TO MEASURE HUMAN RESOURCES MANAGEMENT. MCGRAW-HILL, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.