Project Management Institute (PMI), 2017, A Guide to Project Management Body of Knowledge (PMBOK), 6th Edition
Jack R. Meredith, Samuel J. Mantel, Jr., Scott M. Shafer, Project Management: A Managerial Approach, 9th Edition
Rory Burke, Project Management: Planning and Control Techniques, 4th Edition
AACE’s Skills & Knowledge of Cost Engineering, 5th Edition
