United States. President and Council of Economic Advisers (U.S.). "Gross Domestic Product by Major Type of Product," in United States. President and Council of Economic Advisers (U.S.). "2009," Economic Report of the President (2009) : 291-291. https://fraser.stlouisfed.org/title/45/item/8108/toc/350020 , accessed on June 27, 2024.