United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Oversight and Investigations & ProQuest (Firm). (2001). Protecting America's critical infrastructure: How secure are government computer systems? : hearing before the Subcommittee on Oversight and Investigations of the Committee on Energy and Commerce, House of Representatives, One Hundred Seventh Congress, first session, April 5, 2001. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Energy and Commerce. Subcommittee on Oversight and Investigations and ProQuest (Firm). Protecting America's Critical Infrastructure: How Secure Are Government Computer Systems? : Hearing Before the Subcommittee on Oversight and Investigations of the Committee on Energy and Commerce, House of Representatives, One Hundred Seventh Congress, First Session, April 5, 2001. Washington: U.S. G.P.O., 2001.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Energy and Commerce. Subcommittee on Oversight and Investigations and ProQuest (Firm). Protecting America's Critical Infrastructure: How Secure Are Government Computer Systems? : Hearing Before the Subcommittee on Oversight and Investigations of the Committee on Energy and Commerce, House of Representatives, One Hundred Seventh Congress, First Session, April 5, 2001. U.S. G.P.O., 2001.