United States. Bureau of Economic Analysis. "Gross Domestic Product (Third Estimate), Corporate Profits (Revised), and GDP by Industry, Second Quarter 2020, BEA 20-48,"
Bureau of Economic Analysis (BEA) News Releases
(September 30, 2020).
https://fraser.stlouisfed.org/title/6148/item/602923, accessed on June 12, 2025.