United States. General Accounting Office. (2003). Natural gas: Domestic nitrogen fertilizer production depends on natural gas availability and prices. U.S. General Accounting Office.
Chicago Style (17th ed.) CitationUnited States. General Accounting Office. Natural Gas: Domestic Nitrogen Fertilizer Production Depends on Natural Gas Availability and Prices. [Washington, D.C.]: U.S. General Accounting Office, 2003.
MLA (9th ed.) CitationUnited States. General Accounting Office. Natural Gas: Domestic Nitrogen Fertilizer Production Depends on Natural Gas Availability and Prices. U.S. General Accounting Office, 2003.
Warning: These citations may not always be 100% accurate.