APA

United States, . (2017). Oversight: review of EPA regulations replacing the Clean Air Interstate Rule (CAIR) and the Clean Air Mercury Rule (CAMR) : hearing before the Subcommittee on Clean Air and Nuclear Safety of the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, first session, June 30, 2011. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2017. Oversight: review of EPA regulations replacing the Clean Air Interstate Rule (CAIR) and the Clean Air Mercury Rule (CAMR) : hearing before the Subcommittee on Clean Air and Nuclear Safety of the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, first session, June 30, 2011. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2017). Oversight: review of EPA regulations replacing the Clean Air Interstate Rule (CAIR) and the Clean Air Mercury Rule (CAMR) : hearing before the Subcommittee on Clean Air and Nuclear Safety of the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, first session, June 30, 2011. Washington: U.S. Government Publishing Office.

MLA

United States, . Oversight: review of EPA regulations replacing the Clean Air Interstate Rule (CAIR) and the Clean Air Mercury Rule (CAMR) : hearing before the Subcommittee on Clean Air and Nuclear Safety of the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, first session, June 30, 2011. Washington: U.S. Government Publishing Office. 2017.