United States. Bureau of Economic Analysis. "Gross National Product: First Quarter 1986 (Preliminary), Corporate Profits: Fourth Quarter 1985 (Revised), BEA-86-16,"
Bureau of Economic Analysis (BEA) News Releases
(April 17, 1986).
https://fraser.stlouisfed.org/title/6148/item/596572, accessed on June 14, 2025.