United States. Bureau of Labor Statistics. "National Compensation Survey: Kalamazoo-Battle Creek, MI, September 2003 : Bulletin of the United States Bureau of Labor Statistics, No. 3120-64," National Compensation Survey (Wages and Salaries) (June 2004). https://fraser.stlouisfed.org/title/6009/item/582742, accessed on September 9, 2024.