United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on the Consumer. (1990). Environmental labeling of consumer products: Hearing before the Subcommittee on the Consumer of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred First Congress, second session ... May 16, 1990. U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office, U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on the Consumer. Environmental Labeling of Consumer Products: Hearing Before the Subcommittee on the Consumer of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred First Congress, Second Session ... May 16, 1990. Washington: U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office, U.S. G.P.O., 1990.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on the Consumer. Environmental Labeling of Consumer Products: Hearing Before the Subcommittee on the Consumer of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred First Congress, Second Session ... May 16, 1990. U.S. G.P.O. : For sale by the Supt. of Docs., Congressional Sales Office, U.S. G.P.O., 1990.