APA

United States, . (2017). Innovative practices to create jobs and reduce pollution: hearing before the Subcommittee on Green Jobs and the New Economy of the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, first session, October 13, 2011. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2017. Innovative practices to create jobs and reduce pollution: hearing before the Subcommittee on Green Jobs and the New Economy of the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, first session, October 13, 2011. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2017). Innovative practices to create jobs and reduce pollution: hearing before the Subcommittee on Green Jobs and the New Economy of the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, first session, October 13, 2011. Washington: U.S. Government Publishing Office.

MLA

United States, . Innovative practices to create jobs and reduce pollution: hearing before the Subcommittee on Green Jobs and the New Economy of the Committee on Environment and Public Works, United States Senate, One Hundred Twelfth Congress, first session, October 13, 2011. Washington: U.S. Government Publishing Office. 2017.