United States. Bureau of Labor Statistics. "National Compensation Survey: Minneapolis-St. Paul, MN-WI, May 2003 : Bulletin of the United States Bureau of Labor Statistics, No. 3120-49,"
National Compensation Survey (Wages and Salaries)
(March 2004).
https://fraser.stlouisfed.org/title/6009/item/582727, accessed on September 12, 2024.