Phillips, J. J., & Zuniga, L. (2008). Costs and ROI: Evaluating at the ultimate level. Pfeiffer.
Citación estilo ChicagoPhillips, Jack J., and Lizette Zuniga. Costs and ROI: Evaluating at the Ultimate Level. San Francisco: Pfeiffer, 2008.
Cita MLAPhillips, Jack J., and Lizette Zuniga. Costs and ROI: Evaluating at the Ultimate Level. Pfeiffer, 2008.
Warning: These citations may not always be 100% accurate.