APA-ийн эшлэл(7 дахь хэвлэлт)

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.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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.

MLA -ийн эшлэл (9 дэх хэвлэлт)

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.