References
- National Research Council 2013. Principles and Practices for a Federal Statistical Agency, Fifth Edition. Committee on National Statistics, edited by Constance F. Citro and Miron L. Straf. Division of Behavioral and Social Sciences and Education.
- Washington, DC: The National Academies Press. Simon, H.A. 1956. “Rational Choice and the Structure of the Environment”. Psychological Review 63: 129-138.