United States. Bureau of Economic Analysis. "Gross Domestic Product, Third Quarter 2023 (Advance Estimate) : Technical Note, BEA 23-49," Bureau of Economic Analysis (BEA) News Releases (October 26, 2023). https://fraser.stlouisfed.org/title/6148/item/656067/content/pdf/bea_newsreleases_20231026_technicalNote, accessed on March 17, 2025.