APA

United States, . (2003). Mine disaster at Quecreek: hearing before a subcommittee of the Committee on Appropriations, United States Senate, One Hundred Seventh Congress, second session, special hearing, October 21, 2002, Johnstown, PA. Washington: U.S. G.P.O.

Chicago

United States, . 2003. Mine disaster at Quecreek: hearing before a subcommittee of the Committee on Appropriations, United States Senate, One Hundred Seventh Congress, second session, special hearing, October 21, 2002, Johnstown, PA. Washington: U.S. G.P.O.

Harvard

United States, . (2003). Mine disaster at Quecreek: hearing before a subcommittee of the Committee on Appropriations, United States Senate, One Hundred Seventh Congress, second session, special hearing, October 21, 2002, Johnstown, PA. Washington: U.S. G.P.O.

MLA

United States, . Mine disaster at Quecreek: hearing before a subcommittee of the Committee on Appropriations, United States Senate, One Hundred Seventh Congress, second session, special hearing, October 21, 2002, Johnstown, PA. Washington: U.S. G.P.O. 2003.