APA

United States, . (1992). U.S. assistance efforts in Panama: hearing before the Legislation and National Security Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred Second Congress, first session, April 17, 1991. Washington: U.S. G.P.O.

Chicago

United States, . 1992. U.S. assistance efforts in Panama: hearing before the Legislation and National Security Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred Second Congress, first session, April 17, 1991. Washington: U.S. G.P.O.

Harvard

United States, . (1992). U.S. assistance efforts in Panama: hearing before the Legislation and National Security Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred Second Congress, first session, April 17, 1991. Washington: U.S. G.P.O.

MLA

United States, . U.S. assistance efforts in Panama: hearing before the Legislation and National Security Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred Second Congress, first session, April 17, 1991. Washington: U.S. G.P.O. 1992.