United States. Bureau of Economic Analysis. "Gross Domestic Product (Third Estimate), Corporate Profits (Revised Estimate), and GDP by Industry, Second Quarter 2021 : Effects of Selected Federal Pandemic Response Programs on Federal Government Receipts, Expenditures, and Saving, 2021Q2 Third, BEA 21-47,"
Bureau of Economic Analysis (BEA) News Releases
(September 30, 2021).
https://fraser.stlouisfed.org/title/6148/item/607753/content/pdf/bea_newsreleases_20210930_effects-gov-2021Q2-3rd, accessed on March 27, 2025.