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. Government Printing Office.

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. Government Printing Office.

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. Government Printing Office.

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. Government Printing Office. 2007.