United States. Department of Commerce. "Gross Domestic Product: First Quarter 2017 (Third Estimate) | Corporate Profits: First Quarter 2017 (Revised Estimate), BEA 17-32,"
United States Department of Commerce News
(June 29, 2017).
https://fraser.stlouisfed.org/title/6148/item/602503, accessed on May 31, 2026.