Gross Domestic Product, Third Quarter 2018 (Advance Estimate) : Tables: Key Source Data and Assumptions for Gross Domestic Product, BEA 18-56
United States. Department of Commerce. "Gross Domestic Product, Third Quarter 2018 (Advance Estimate) : Tables: Key Source Data and Assumptions for Gross Domestic Product, BEA 18-56," United States Department of Commerce News (October 25, 2018). https://fraser.stlouisfed.org/title/6148/item/602664/content/xlsx/bea_newsreleases_20181025_key-source-data-and-assumptions, accessed on June 13, 2026.