The North American Free Trade Agreement : hearings before the Subcommittees on International Economic Policy and Trade and on Western Hemisphere Affairs of the Committee on Foreign Affairs, House of Representatives, One Hundred Second Congress, first session, March 6; April 9 and 16, 1991.
Washington : U.S. G.P.O. : [Supt. of Docs., Congressional Sales Office, U.S. G.P.O., distributor], 1991.