APA

United States, United States, . (1999). Internet posting of chemical "worst case" scenarios, a roadmap for terrorists: joint hearing before the Subcommittees on Health and Environment and Oversight and Investigations of the Committee on Commerce, House of Representatives, One Hundred Sixth Congress, first session, February 10, 1999. Washington: U.S. Government Printing Office.

Chicago

United States, United States, . 1999. Internet posting of chemical "worst case" scenarios, a roadmap for terrorists: joint hearing before the Subcommittees on Health and Environment and Oversight and Investigations of the Committee on Commerce, House of Representatives, One Hundred Sixth Congress, first session, February 10, 1999. Washington: U.S. Government Printing Office.

Harvard

United States, United States, . (1999). Internet posting of chemical "worst case" scenarios, a roadmap for terrorists: joint hearing before the Subcommittees on Health and Environment and Oversight and Investigations of the Committee on Commerce, House of Representatives, One Hundred Sixth Congress, first session, February 10, 1999. Washington: U.S. Government Printing Office.

MLA

United States, United States, . Internet posting of chemical "worst case" scenarios, a roadmap for terrorists: joint hearing before the Subcommittees on Health and Environment and Oversight and Investigations of the Committee on Commerce, House of Representatives, One Hundred Sixth Congress, first session, February 10, 1999. Washington: U.S. Government Printing Office. 1999.