APA

United States, . (2016). Moving America toward a clean energy economy and reducing global warming pollution: legislative tools : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, first session, July 7, 2009. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2016. Moving America toward a clean energy economy and reducing global warming pollution: legislative tools : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, first session, July 7, 2009. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2016). Moving America toward a clean energy economy and reducing global warming pollution: legislative tools : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, first session, July 7, 2009. Washington: U.S. Government Publishing Office.

MLA

United States, . Moving America toward a clean energy economy and reducing global warming pollution: legislative tools : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Eleventh Congress, first session, July 7, 2009. Washington: U.S. Government Publishing Office. 2016.