United States. Bureau of Labor Statistics. "National Compensation Survey: Boston-Worcester-Lawrence, MA-NH-ME-CT, September 2002 : Bulletin of the United States Bureau of Labor Statistics, No. 3115-67,"
National Compensation Survey (Wages and Salaries)
(June 2003).
https://fraser.stlouisfed.org/title/6009/item/582668, accessed on September 14, 2024.