National Compensation Survey: Portland-Salem, OR-WA, September 2002 : Bulletin of the United States Bureau of Labor Statistics, No. 3115-74
United States. Bureau of Labor Statistics. "National Compensation Survey: Portland-Salem, OR-WA, September 2002 : Bulletin of the United States Bureau of Labor Statistics, No. 3115-74," National Compensation Survey (Wages and Salaries) (June 2003). https://fraser.stlouisfed.org/title/6009/item/582674, accessed on April 26, 2024.
United States Bureau of Labor Statistics