United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "July 2014," PPI Detailed Report (July 2014) : 2-3. https://fraser.stlouisfed.org/title/63/item/21944/toc/179981 , accessed on April 23, 2024.
United States. Bureau of Labor Statistics. "Contents," in United States. Bureau of Labor Statistics. "July 2014," PPI Detailed Report (July 2014) : 2-3. https://fraser.stlouisfed.org/title/63/item/21944/toc/179981 , accessed on April 23, 2024.