Gross Domestic Product | Fourth Quarter 2018 and Annual 2018 (Third Estimate) | Corporate Profits, Fourth Quarter and Annual 2018 : Tables: Key Source Data and Assumptions for Gross Domestic Product, BEA 19-12
United States. Department of Commerce. "Gross Domestic Product | Fourth Quarter 2018 and Annual 2018 (Third Estimate) | Corporate Profits, Fourth Quarter and Annual 2018 : Tables: Key Source Data and Assumptions for Gross Domestic Product, BEA 19-12," United States Department of Commerce News (March 28, 2019). https://fraser.stlouisfed.org/title/6148/item/602785/content/xlsx/bea_newsreleases_20190328_key-source-data-and-assumptions, accessed on May 30, 2026.