APA

United States, . (2007). Clean coal technology: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, first session, to receive testimony on recent advances in clean coal technology, including the prospects for deploying these technologies at a commercial scale in the near future, August 1, 2007. Washington: U.S. G.P.O.

Chicago

United States, . 2007. Clean coal technology: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, first session, to receive testimony on recent advances in clean coal technology, including the prospects for deploying these technologies at a commercial scale in the near future, August 1, 2007. Washington: U.S. G.P.O.

Harvard

United States, . (2007). Clean coal technology: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, first session, to receive testimony on recent advances in clean coal technology, including the prospects for deploying these technologies at a commercial scale in the near future, August 1, 2007. Washington: U.S. G.P.O.

MLA

United States, . Clean coal technology: hearing before the Committee on Energy and Natural Resources, United States Senate, One Hundred Tenth Congress, first session, to receive testimony on recent advances in clean coal technology, including the prospects for deploying these technologies at a commercial scale in the near future, August 1, 2007. Washington: U.S. G.P.O. 2007.