United States. Bureau of the Census. "Stock Prices," in United States. Bureau of the Census. "June 1988," Business Conditions Digest (June 1988) : 103-103. https://fraser.stlouisfed.org/title/43/item/7502/toc/347205 , accessed on April 24, 2024.
United States. Bureau of the Census. "Stock Prices," in United States. Bureau of the Census. "June 1988," Business Conditions Digest (June 1988) : 103-103. https://fraser.stlouisfed.org/title/43/item/7502/toc/347205 , accessed on April 24, 2024.