United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "January 2010," PPI Detailed Report (January 2010) : 2-3. https://fraser.stlouisfed.org/title/63/item/21891/toc/229473 , accessed on May 9, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "January 2010," PPI Detailed Report (January 2010) : 2-3. https://fraser.stlouisfed.org/title/63/item/21891/toc/229473 , accessed on May 9, 2024.