United States. Bureau of the Census. "Stock Prices," in United States. Bureau of the Census. "June 1989," Business Conditions Digest (June 1989) : 104-104. https://fraser.stlouisfed.org/title/43/item/7514/toc/423601 , accessed on April 19, 2024.
United States. Bureau of the Census. "Stock Prices," in United States. Bureau of the Census. "June 1989," Business Conditions Digest (June 1989) : 104-104. https://fraser.stlouisfed.org/title/43/item/7514/toc/423601 , accessed on April 19, 2024.