United States. President and Council of Economic Advisers (U.S.). "Civilian Employment by Demographic Characteristic," in United States. President and Council of Economic Advisers (U.S.). "2010," Economic Report of the President (2010) : 378-378. https://fraser.stlouisfed.org/title/45/item/8109/toc/163218 , accessed on April 24, 2024.