United States. Bureau of Labor Statistics. "National Compensation Survey: Pilot Test, Sacramento-Yolo, CA, March 1997 : Bulletin of the United States Bureau of Labor Statistics, No. 3090-9,"
National Compensation Survey (Wages and Salaries)
(October 1997).
https://fraser.stlouisfed.org/title/6009/item/582249, accessed on January 5, 2026.