United States. Bureau of Labor Statistics. "National Compensation Survey: Elkhart-Goshen, IN, October 1999 : Bulletin of the United States Bureau of Labor Statistics, No. 3100-58,"
National Compensation Survey (Wages and Salaries)
(August 2000).
https://fraser.stlouisfed.org/title/6009/item/582433, accessed on December 12, 2024.