United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "January 2004," PPI Detailed Report (January 2004) : 3-4. https://fraser.stlouisfed.org/title/63/item/21819/toc/342855 , accessed on April 25, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "January 2004," PPI Detailed Report (January 2004) : 3-4. https://fraser.stlouisfed.org/title/63/item/21819/toc/342855 , accessed on April 25, 2024.