توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

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.