National Research Council. (2008). Research evidence related to future skill demands: A workshop summary. Margaret Hilton, Rapporteur. Center for Education, Division of Behavioral and Social Sciences and Education. Washington, DC: The National Academies Press.
Office of Management and Budget. (2009). 2010 Standard Occupational Classification (SOC): Final decisions: Notice. Federal Register, 74(12), 3920-3936. Available: http://www.bls.gov/soc/soc2010final.pdf [accessed June 2009].
Tsacoumis, S. (2007). The feasibility of using O*NET to study skill changes. Paper presented to the National Research Council Workshop on Research Evidence Related to Future Skill Demands. Available: http://www7.nationalacademies.org/cfe/Future_Skill_Demands_Commissioned_Papers.html [accessed May 2009].
U.S. Department of Labor. (2009). ETA mission statement. Available: http://www.doleta.gov/etainfo/mission.cfm [accessed May 2009].