Phillips, J. J., Brantley, W., & Phillips, P. P. (2012). Project management ROI: A step-by-step guide for measuring the impact and ROI for projects. John Wiley & Sons, Inc. https://doi.org/10.1002/9781118122587
Čikaški stil citiranja (17. izdanje)Phillips, Jack J., Wayne Brantley, i Patricia Pulliam Phillips. Project Management ROI: A Step-by-step Guide for Measuring the Impact and ROI for Projects. Hoboken, New Jersey: John Wiley & Sons, Inc, 2012. https://doi.org/10.1002/9781118122587.
MLA način citiranja (9. izdanje)Phillips, Jack J., et al. Project Management ROI: A Step-by-step Guide for Measuring the Impact and ROI for Projects. John Wiley & Sons, Inc, 2012. https://doi.org/10.1002/9781118122587.
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