United States. Bureau of Economic Analysis. "Personal Income and Outlays : June 1989, Revised Estimates: 1986 - May 1989, BEA 89-34,"
Bureau of Economic Analysis (BEA) News Releases
(July 28, 1989).
https://fraser.stlouisfed.org/title/6148/item/596925, accessed on June 16, 2025.