United States. Bureau of Economic Analysis. "Gross Domestic Product (Third Estimate), Corporate Profits (Revised Estimate), and GDP by Industry, Third Quarter 2023 : Technical Note, BEA 23-63,"
Bureau of Economic Analysis (BEA) News Releases
(December 21, 2023).
https://fraser.stlouisfed.org/title/6148/item/657615/content/pdf/bea_newsreleases_20231221_note, accessed on March 16, 2026.