APA

United States, . (1999). The Chemical Safety Information and Site Security Act of 1999: hearings before the Subcommittee on Health and Environment of the Committee on Commerce, House of Representatives ; One Hundred Sixth Congress, first session ; on H.R. 1790 ; May 19 and 26, 1999. Washington: U.S. Government Printing Office.

Chicago

United States, . 1999. The Chemical Safety Information and Site Security Act of 1999: hearings before the Subcommittee on Health and Environment of the Committee on Commerce, House of Representatives ; One Hundred Sixth Congress, first session ; on H.R. 1790 ; May 19 and 26, 1999. Washington: U.S. Government Printing Office.

Harvard

United States, . (1999). The Chemical Safety Information and Site Security Act of 1999: hearings before the Subcommittee on Health and Environment of the Committee on Commerce, House of Representatives ; One Hundred Sixth Congress, first session ; on H.R. 1790 ; May 19 and 26, 1999. Washington: U.S. Government Printing Office.

MLA

United States, . The Chemical Safety Information and Site Security Act of 1999: hearings before the Subcommittee on Health and Environment of the Committee on Commerce, House of Representatives ; One Hundred Sixth Congress, first session ; on H.R. 1790 ; May 19 and 26, 1999. Washington: U.S. Government Printing Office. 1999.