United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "December 1984," PPI Detailed Report (December 1984) : 3-3. https://fraser.stlouisfed.org/title/63/item/21589/toc/57161 , accessed on May 8, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "December 1984," PPI Detailed Report (December 1984) : 3-3. https://fraser.stlouisfed.org/title/63/item/21589/toc/57161 , accessed on May 8, 2024.