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National Research Council (U.S.). Committee on National Statistics, National Research Council (U.S.). Division of Behavioral and Social Sciences and Education, Inc ebrary, Constance F. Citro, Margaret E. Martin, and Miron L. Straf. Principles and Practices for a Federal Statistical Agency. 4th ed. Washington, D.C.: National Academies Press, 2009.

National Research Council (U.S.). Committee on National Statistics, et al. Principles and Practices for a Federal Statistical Agency. 4th ed. National Academies Press, 2009.