National Compensation Survey: Springfield, MO, September 2007 : Bulletin of the United States Bureau of Labor Statistics
United States. Bureau of Labor Statistics. "National Compensation Survey: Springfield, MO, September 2007 : Bulletin of the United States Bureau of Labor Statistics," National Compensation Survey (Wages and Salaries) (June 2008). https://fraser.stlouisfed.org/title/6009/item/583055, accessed on May 4, 2024.
United States Bureau of Labor Statistics