United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "March 1996," PPI Detailed Report (March 1996) : 3-4. https://fraser.stlouisfed.org/title/63/item/21720/toc/282247 , accessed on April 23, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "March 1996," PPI Detailed Report (March 1996) : 3-4. https://fraser.stlouisfed.org/title/63/item/21720/toc/282247 , accessed on April 23, 2024.