United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "January 1996," PPI Detailed Report (January 1996) : 3-4. https://fraser.stlouisfed.org/title/63/item/21724/toc/319536 , accessed on April 30, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "January 1996," PPI Detailed Report (January 1996) : 3-4. https://fraser.stlouisfed.org/title/63/item/21724/toc/319536 , accessed on April 30, 2024.