APA

United States, United States, . (2017). Oversight hearing on EPA's work with other federal entities to reduce pollution and improve environmental performance: joint hearing before the Subcommittee on Green Jobs and the New Economy and the Subcommittee on Oversight of the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, second session, March 27, 2012. Washington: U.S. Government Printing Office.

Chicago

United States, United States, . 2017. Oversight hearing on EPA's work with other federal entities to reduce pollution and improve environmental performance: joint hearing before the Subcommittee on Green Jobs and the New Economy and the Subcommittee on Oversight of the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, second session, March 27, 2012. Washington: U.S. Government Printing Office.

Harvard

United States, United States, . (2017). Oversight hearing on EPA's work with other federal entities to reduce pollution and improve environmental performance: joint hearing before the Subcommittee on Green Jobs and the New Economy and the Subcommittee on Oversight of the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, second session, March 27, 2012. Washington: U.S. Government Printing Office.

MLA

United States, United States, . Oversight hearing on EPA's work with other federal entities to reduce pollution and improve environmental performance: joint hearing before the Subcommittee on Green Jobs and the New Economy and the Subcommittee on Oversight of the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, second session, March 27, 2012. Washington: U.S. Government Printing Office. 2017.