United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "July 1996," PPI Detailed Report (July 1996) : 3-4. https://fraser.stlouisfed.org/title/63/item/21730/toc/425778 , accessed on May 8, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "July 1996," PPI Detailed Report (July 1996) : 3-4. https://fraser.stlouisfed.org/title/63/item/21730/toc/425778 , accessed on May 8, 2024.