APA

United States, . (2007). Examination of oil and gas activities: hearing before a subcommittee of the Committee on Appropriations, United States Senate, One Hundred Ninth Congress, first session : special hearing, October 25, 2005, Washington, DC. Washington: U.S. G.P.O.

Chicago

United States, . 2007. Examination of oil and gas activities: hearing before a subcommittee of the Committee on Appropriations, United States Senate, One Hundred Ninth Congress, first session : special hearing, October 25, 2005, Washington, DC. Washington: U.S. G.P.O.

Harvard

United States, . (2007). Examination of oil and gas activities: hearing before a subcommittee of the Committee on Appropriations, United States Senate, One Hundred Ninth Congress, first session : special hearing, October 25, 2005, Washington, DC. Washington: U.S. G.P.O.

MLA

United States, . Examination of oil and gas activities: hearing before a subcommittee of the Committee on Appropriations, United States Senate, One Hundred Ninth Congress, first session : special hearing, October 25, 2005, Washington, DC. Washington: U.S. G.P.O. 2007.