National Compensation Survey: Johnstown, PA, October 1999 : Bulletin of the United States Bureau of Labor Statistics, No. 3100-50
United States. Bureau of Labor Statistics. "National Compensation Survey: Johnstown, PA, October 1999 : Bulletin of the United States Bureau of Labor Statistics, No. 3100-50," National Compensation Survey (Wages and Salaries) (July 2000). https://fraser.stlouisfed.org/title/6009/item/582425, accessed on April 25, 2024.
United States Bureau of Labor Statistics