United States. Federal Highway Administration & United States. National Advisory Committee on Uniform Traffic Control Devices. (1978). Manual on uniform traffic control devices for streets and highways. U.S. Dept. of Transportation, Federal Highway Administration : For sale by the Supt. of Docs., U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Federal Highway Administration and United States. National Advisory Committee on Uniform Traffic Control Devices. Manual on Uniform Traffic Control Devices for Streets and Highways. Washington, D.C.: U.S. Dept. of Transportation, Federal Highway Administration : For sale by the Supt. of Docs., U.S. G.P.O., 1978.
MLA (9th ed.) CitationUnited States. Federal Highway Administration and United States. National Advisory Committee on Uniform Traffic Control Devices. Manual on Uniform Traffic Control Devices for Streets and Highways. U.S. Dept. of Transportation, Federal Highway Administration : For sale by the Supt. of Docs., U.S. G.P.O., 1978.