United States. Congress. House. Committee on Homeland Security. (2012). Understanding the homeland threat landscape: Considerations for the 112th Congress : hearing before the Committee on Homeland Security, House of Representatives, One Hundred Twelfth Congress, first session, February 9, 2011. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Homeland Security. Understanding the Homeland Threat Landscape: Considerations for the 112th Congress : Hearing Before the Committee on Homeland Security, House of Representatives, One Hundred Twelfth Congress, First Session, February 9, 2011. Washington: U.S. G.P.O., 2012.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Homeland Security. Understanding the Homeland Threat Landscape: Considerations for the 112th Congress : Hearing Before the Committee on Homeland Security, House of Representatives, One Hundred Twelfth Congress, First Session, February 9, 2011. U.S. G.P.O., 2012.