United States. Bureau of Labor Statistics. "National Compensation Survey: Visalia-Tulare-Porterville, CA, June 2006 : Bulletin of the United States Bureau of Labor Statistics, No. 3135-52," National Compensation Survey (Wages and Salaries) (April 2007). https://fraser.stlouisfed.org/title/6009/item/582964, accessed on September 12, 2024.