The Comptroller General of the United States. (1982). Report to the chairman, subcommittee on trade, committee on ways and means house of representatives. Washington: U.S. General Accounting Office.
Chicago-tyylinen lähdeviittausThe Comptroller General of the United States. Report to the Chairman, Subcommittee On Trade, Committee On Ways and Means House of Representatives. Washington: U.S. General Accounting Office, 1982.
MLA-viiteThe Comptroller General of the United States. Report to the Chairman, Subcommittee On Trade, Committee On Ways and Means House of Representatives. Washington: U.S. General Accounting Office, 1982.
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