United States. Environmental Protection Agency. Office of Toxic Substances. (1985). Contractor requirements for the control and security of TSCA confidential business information: Security manual (1985 ed.). U.S. Environmental Protection Agency, Office of Toxic Substances.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Toxic Substances. Contractor Requirements for the Control and Security of TSCA Confidential Business Information: Security Manual. 1985 ed. Washington, D.C.: U.S. Environmental Protection Agency, Office of Toxic Substances, 1985.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Toxic Substances. Contractor Requirements for the Control and Security of TSCA Confidential Business Information: Security Manual. 1985 ed. U.S. Environmental Protection Agency, Office of Toxic Substances, 1985.