United States. Department of Commerce. "Gross Domestic Product: Third Quarter 2015 (Third Estimate) | Corporate Profits: Third Quarter 2015 (Revised Estimate), BEA 15-66,"
United States Department of Commerce News
(December 22, 2015).
https://fraser.stlouisfed.org/title/6148/item/602284, accessed on June 14, 2026.