United States. Bureau of Economic Analysis. "Personal Income and Outlays: September 2011 : Highlights: Consumer Spending Rises in September, BEA 11-53," Bureau of Economic Analysis (BEA) News Releases (October 28, 2011). https://fraser.stlouisfed.org/title/6148/item/604113/content/pdf/bea_newsreleases_20111028_release-highlights, accessed on March 9, 2025.