Phillips, J. J., & Stone, R. D. (2002). How to measure training results: A practical guide to tracking the six key indicators. McGraw-Hill.
Citazione stile Chigago Style (17a edizione)Phillips, Jack J., e Ron D. Stone. How to Measure Training Results: A Practical Guide to Tracking the Six Key Indicators. New York: McGraw-Hill, 2002.
Citatione MLA (9a ed.)Phillips, Jack J., e Ron D. Stone. How to Measure Training Results: A Practical Guide to Tracking the Six Key Indicators. McGraw-Hill, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.