APA

United States, United States, . (2017). Oversight of EPA authorities and actions to control exposures to toxic chemicals: joint hearing before the Subcommittee on Superfund, Toxics and Environmental Health, and the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, second session, July 24, 2012. Washington: U.S. Government Publishing Office.

Chicago

United States, United States, . 2017. Oversight of EPA authorities and actions to control exposures to toxic chemicals: joint hearing before the Subcommittee on Superfund, Toxics and Environmental Health, and the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, second session, July 24, 2012. Washington: U.S. Government Publishing Office.

Harvard

United States, United States, . (2017). Oversight of EPA authorities and actions to control exposures to toxic chemicals: joint hearing before the Subcommittee on Superfund, Toxics and Environmental Health, and the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, second session, July 24, 2012. Washington: U.S. Government Publishing Office.

MLA

United States, United States, . Oversight of EPA authorities and actions to control exposures to toxic chemicals: joint hearing before the Subcommittee on Superfund, Toxics and Environmental Health, and the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, second session, July 24, 2012. Washington: U.S. Government Publishing Office. 2017.