APA-viite

Rico, D. F., & Pressman, R. S. (2004). ROI of software process improvement: Metrics for project managers and software engineers. Cengage Learning.

Chicago-tyylinen lähdeviittaus

Rico, David F., ja Roger S. Pressman. ROI of Software Process Improvement: Metrics for Project Managers and Software Engineers. New Delhi: Cengage Learning, 2004.

MLA-viite

Rico, David F., ja Roger S. Pressman. ROI of Software Process Improvement: Metrics for Project Managers and Software Engineers. Cengage Learning, 2004.