United States. General Accounting Office & ProQuest (Firm). (2004). Air pollution: EPA could take additional steps to help maximize the benefits from the 2007 diesel emissions standards. United States, General Accounting Office.
Chicago Style (17th ed.) CitationUnited States. General Accounting Office and ProQuest (Firm). Air Pollution: EPA Could Take Additional Steps to Help Maximize the Benefits from the 2007 Diesel Emissions Standards. Washington, D.C.: United States, General Accounting Office, 2004.
MLA (9th ed.) CitationUnited States. General Accounting Office and ProQuest (Firm). Air Pollution: EPA Could Take Additional Steps to Help Maximize the Benefits from the 2007 Diesel Emissions Standards. United States, General Accounting Office, 2004.
Warning: These citations may not always be 100% accurate.