Statistics) 134 (3): 23–32. ^ a b "Percent Change in RealGrossDomesticProduct (Quarterly)". National Income and Product Accounts Table (Bureau of Economic Analysis)
Fourth Quarter 2019”. www.fdic.gov. ^ “Table 971. GrossDomesticProduct in Manufacturing in Current and Real (2000) Dollars by Industry: 2000 to 2005 (2004)”