Nash, Betty Joyce. "Volatility at the Pump : Where Do High Gas Prices Come From?," in Federal Reserve Bank of Richmond. "Third Quarter 2011, Volume 15, Number 3," Econ Focus (Federal Reserve Bank of Richmond) (Third Quarter 2011) : 36-37. https://fraser.stlouisfed.org/title/3941/item/476953/toc/503553 , accessed on March 28, 2024.