United States. Bureau of Labor Statistics. "National Compensation Survey: Detroit-Ann Arbor-Flint, MI, April 2006 : Bulletin of the United States Bureau of Labor Statistics, No. 3135-22," National Compensation Survey (Wages and Salaries) (December 2006). https://fraser.stlouisfed.org/title/6009/item/582934, accessed on September 14, 2024.