United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "June 1996," PPI Detailed Report (June 1996) : 3-4. https://fraser.stlouisfed.org/title/63/item/21729/toc/50985 , accessed on May 2, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "June 1996," PPI Detailed Report (June 1996) : 3-4. https://fraser.stlouisfed.org/title/63/item/21729/toc/50985 , accessed on May 2, 2024.