United States. Bureau of Economic Analysis. "First Quarter 1984 : Gross National Product (Preliminary), Fourth Quarter 1983 Corporate Profits (Revised), BEA 84-19,"
Bureau of Economic Analysis (BEA) News Releases
(April 19, 1984).
https://fraser.stlouisfed.org/title/6148/item/596330, accessed on June 19, 2025.