APA

United States, . (1993). Federal helium program: oversight hearing before the Subcommittee on Energy and Natural Resources of the Committee on Natural Resources, House of Representatives, One Hundred Third Congress, first session, on the administration of the federal helium program, hearing held in Washington, DC, May 20, 1993. Washington: U.S. G.P.O.

Chicago

United States, . 1993. Federal helium program: oversight hearing before the Subcommittee on Energy and Natural Resources of the Committee on Natural Resources, House of Representatives, One Hundred Third Congress, first session, on the administration of the federal helium program, hearing held in Washington, DC, May 20, 1993. Washington: U.S. G.P.O.

Harvard

United States, . (1993). Federal helium program: oversight hearing before the Subcommittee on Energy and Natural Resources of the Committee on Natural Resources, House of Representatives, One Hundred Third Congress, first session, on the administration of the federal helium program, hearing held in Washington, DC, May 20, 1993. Washington: U.S. G.P.O.

MLA

United States, . Federal helium program: oversight hearing before the Subcommittee on Energy and Natural Resources of the Committee on Natural Resources, House of Representatives, One Hundred Third Congress, first session, on the administration of the federal helium program, hearing held in Washington, DC, May 20, 1993. Washington: U.S. G.P.O. 1993.