USA Congress Senate Committee on Governmental Affairs. (1990). Threat of terrorism and government responses to terrorism: Hearing before the Committee on Governmental Affairs, United States Senate, 101. Congress, 1. session, September 11, 1989. Senate hearing.
Cita Chicago Style (17a ed.)USA Congress Senate Committee on Governmental Affairs. "Threat of Terrorism and Government Responses to Terrorism: Hearing Before the Committee on Governmental Affairs, United States Senate, 101. Congress, 1. Session, September 11, 1989." Senate Hearing 1990.
Cita MLA (9a ed.)USA Congress Senate Committee on Governmental Affairs. "Threat of Terrorism and Government Responses to Terrorism: Hearing Before the Committee on Governmental Affairs, United States Senate, 101. Congress, 1. Session, September 11, 1989." Senate Hearing, 1990.