United States. President and Council of Economic Advisers (U.S.). "Chain-Type Price Indexes for Gross Domestic Product," in United States. President and Council of Economic Advisers (U.S.). "2010," Economic Report of the President (2010) : 341-342. https://fraser.stlouisfed.org/title/45/item/8109/toc/163189 , accessed on March 29, 2024.