United States. Bureau of Economic Analysis. "Gross National Product: First Quarter 1984 (Flash), Fourth Quarter 1983 (Revised) | Corporate Profits: Fourth Quarter 1983 (Preliminary), BEA 84-15,"
Bureau of Economic Analysis (BEA) News Releases
(March 20, 1984).
https://fraser.stlouisfed.org/title/6148/item/596325, accessed on July 9, 2025.