FITZ-ENZ JACK. (1987). HOW TO MEASURE HUMAN RESOURCES MANAGEMENT. MCGRAW-HILL.
Čikaški stil citiranja (17. izdanje)FITZ-ENZ JACK. HOW TO MEASURE HUMAN RESOURCES MANAGEMENT. NEW YORK: MCGRAW-HILL, 1987.
MLA način citiranja (9. izdanje)FITZ-ENZ JACK. HOW TO MEASURE HUMAN RESOURCES MANAGEMENT. MCGRAW-HILL, 1987.
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