United States. Department of Commerce. "Gross Domestic Product, First Quarter 2019 (Third Estimate)| Corporate Profits, First Quarter 2019 (Revised Estimate), BEA 19-29,"
United States Department of Commerce News
(June 27, 2019).
https://fraser.stlouisfed.org/title/6148/item/602802, accessed on June 1, 2026.