United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "June 2005," PPI Detailed Report (June 2005) : 3-4. https://fraser.stlouisfed.org/title/63/item/21836/toc/171871 , accessed on April 24, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "June 2005," PPI Detailed Report (June 2005) : 3-4. https://fraser.stlouisfed.org/title/63/item/21836/toc/171871 , accessed on April 24, 2024.