National Compensation Survey: Kalamazoo-Battle Creek, MI, February 1999 : Bulletin of the United States Bureau of Labor Statistics, No. 3095-64
United States. Bureau of Labor Statistics. "National Compensation Survey: Kalamazoo-Battle Creek, MI, February 1999 : Bulletin of the United States Bureau of Labor Statistics, No. 3095-64," National Compensation Survey (Wages and Salaries) (September 1999). https://fraser.stlouisfed.org/title/6009/item/582354, accessed on April 25, 2024.
United States Bureau of Labor Statistics