National Research Council (U.S.). Highway Research Board & Colorado. Dept. of Highways. (1969). Control of pavement slipperiness: Asphalt pavement cracking; proceedings of the western summer meeting held August 12-13, 1968, Denver, Colorado. Highway Research Board, National Research Council.
Style de citation Chicago (17e éd.)National Research Council (U.S.). Highway Research Board et Colorado. Dept. of Highways. Control of Pavement Slipperiness: Asphalt Pavement Cracking; Proceedings of the Western Summer Meeting Held August 12-13, 1968, Denver, Colorado. Washington, D.C: Highway Research Board, National Research Council, 1969.
Style de citation MLA (9e éd.)National Research Council (U.S.). Highway Research Board et Colorado. Dept. of Highways. Control of Pavement Slipperiness: Asphalt Pavement Cracking; Proceedings of the Western Summer Meeting Held August 12-13, 1968, Denver, Colorado. Highway Research Board, National Research Council, 1969.