APA

United States, . (2016). S. 2031, the American Soda Ash Competitiveness Act: hearing before the Subcommittee on Public Lands, Forests, and Mining of the Committee on Energy and Natural Resources, United States Senate, One Hundred Fourteenth Congress, first session, October 1, 2015. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2016. S. 2031, the American Soda Ash Competitiveness Act: hearing before the Subcommittee on Public Lands, Forests, and Mining of the Committee on Energy and Natural Resources, United States Senate, One Hundred Fourteenth Congress, first session, October 1, 2015. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2016). S. 2031, the American Soda Ash Competitiveness Act: hearing before the Subcommittee on Public Lands, Forests, and Mining of the Committee on Energy and Natural Resources, United States Senate, One Hundred Fourteenth Congress, first session, October 1, 2015. Washington: U.S. Government Publishing Office.

MLA

United States, . S. 2031, the American Soda Ash Competitiveness Act: hearing before the Subcommittee on Public Lands, Forests, and Mining of the Committee on Energy and Natural Resources, United States Senate, One Hundred Fourteenth Congress, first session, October 1, 2015. Washington: U.S. Government Publishing Office. 2016.