United States. Bureau of Labor Statistics. "National Compensation Survey: Los Angeles-Riverside-Orange County, CA, April 2006 : Bulletin of the United States Bureau of Labor Statistics, No. 3135-32," National Compensation Survey (Wages and Salaries) (January 2007). https://fraser.stlouisfed.org/title/6009/item/582944, accessed on August 6, 2024.