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. Wiley.
Cita Chicago (17th ed.)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, N.J.: Wiley, 2012.
Cita MLA (9th ed.)Phillips, Jack J., et al. Project Management ROI: A Step-by-step Guide for Measuring the Impact and ROI for Projects. Wiley, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.