United States. Department of Commerce. "Gross Domestic Product: First Quarter 2014 (Third Estimate) | Corporate Profits: First Quarter 2014 (Revised Estimate), BEA 14-28,"
United States Department of Commerce News
(June 25, 2014).
https://fraser.stlouisfed.org/title/6148/item/602107, accessed on June 2, 2026.