National Research Council (U.S.). Highway Research Board & National Research Council (U.S.). Transportation Research Board. (1974). Pavement design and management systems: 8 reports prepared for the 53rd annual meeting of the Highway Research Board. Transportation Research Board, National Research Council.
Lua i Stíl Chicago (17ú heag.)National Research Council (U.S.). Highway Research Board agus National Research Council (U.S.). Transportation Research Board. Pavement Design and Management Systems: 8 Reports Prepared for the 53rd Annual Meeting of the Highway Research Board. Washington: Transportation Research Board, National Research Council, 1974.
Lua MLA (9ú heag.)National Research Council (U.S.). Highway Research Board agus National Research Council (U.S.). Transportation Research Board. Pavement Design and Management Systems: 8 Reports Prepared for the 53rd Annual Meeting of the Highway Research Board. Transportation Research Board, National Research Council, 1974.