National Research Council (U.S.). Committee on Budget Estimating Techniques. (1990). Improving the accuracy of early cost estimates for federal construction projects. National Academy Press.

National Research Council (U.S.). Committee on Budget Estimating Techniques. Improving the Accuracy of Early Cost Estimates for Federal Construction Projects. Washington, D.C.: National Academy Press, 1990.

National Research Council (U.S.). Committee on Budget Estimating Techniques. Improving the Accuracy of Early Cost Estimates for Federal Construction Projects. National Academy Press, 1990.