Lua APA (7ú heag.)

National Research Council (U.S.). Committee on National Statistics, National Research Council (U.S.). Division of Behavioral and Social Sciences and Education, ebrary, Inc, Citro, C. F., Martin, M. E., & Straf, M. L. (2009). Principles and practices for a federal statistical agency (4th ed.). National Academies Press.

Lua i Stíl Chicago (17ú heag.)

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, agus Miron L. Straf. Principles and Practices for a Federal Statistical Agency. 4th ed. Washington, D.C.: National Academies Press, 2009.

Lua MLA (9ú heag.)

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.

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