United States. Department of Commerce. "Gross Domestic Product: Third Quarter 1991 (Preliminary) | Corporate Profits: Third Quarter 1991 (Preliminary), Revised Estimates 1977-91, BEA 91-55,"
United States Department of Commerce News
(December 4, 1991).
https://fraser.stlouisfed.org/title/6148/item/597022, accessed on June 2, 2026.