United States. Bureau of Labor Statistics. "National Compensation Survey: Occupational Earnings in the Middle Atlantic Census Division, July 2009 : Bulletin of the United States Bureau of Labor Statistics, No. 2747,"
National Compensation Survey: Occupational Earnings in the United States
(June 2010).
https://fraser.stlouisfed.org/title/6086/item/584799, accessed on December 26, 2024.