United States. Department of Commerce. "Personal Income and Outlays: May 2012 : Tables, BEA 12-30," United States Department of Commerce News (June 29, 2012). https://fraser.stlouisfed.org/title/6148/item/601343/content/xls/bea_newsreleases_20120629_tables-only_excel, accessed on June 1, 2026.