APA

United States, . (2019). Efficient approaches to reducing industrial energy costs: field hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, first session, October 6, 2017. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2019. Efficient approaches to reducing industrial energy costs: field hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, first session, October 6, 2017. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2019). Efficient approaches to reducing industrial energy costs: field hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, first session, October 6, 2017. Washington: U.S. Government Publishing Office.

MLA

United States, . Efficient approaches to reducing industrial energy costs: field hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifteenth Congress, first session, October 6, 2017. Washington: U.S. Government Publishing Office. 2019.