Narcotic drugs, additional cooperative arrangements to curb illegal traffic : agreement between the United States of America and Mexico, amending the agreement of March 29, 1983, as amended, effected by exchange of letters signed at Mexico September 27 and 30, 1986.
Washington, D.C. : Dept. of State : For sale by the Supt. of Docs., U.S. G.P.O., [1996?]