United States. Government Accountability Office & ProQuest (Firm). (2009). Biofuels: Potential Effects and Challenges of Required Increases in Production and Use. [U.S. G.P.O.].
Chicago Style (17th ed.) CitationUnited States. Government Accountability Office and ProQuest (Firm). Biofuels: Potential Effects and Challenges of Required Increases in Production and Use. [Washington]: [U.S. G.P.O.], 2009.
MLA (9th ed.) CitationUnited States. Government Accountability Office and ProQuest (Firm). Biofuels: Potential Effects and Challenges of Required Increases in Production and Use. [U.S. G.P.O.], 2009.
Warning: These citations may not always be 100% accurate.