National Research Council (U.S.). Transportation Research Board. Committee on Operational Effects of Geometrics. (1982). Research problem statements: Operational effects of geometrics. Transportation Research Board, National Academy of Sciences.
Style de citation Chicago (17e éd.)National Research Council (U.S.). Transportation Research Board. Committee on Operational Effects of Geometrics. Research Problem Statements: Operational Effects of Geometrics. Washington, DC: Transportation Research Board, National Academy of Sciences, 1982.
Style de citation MLA (9e éd.)National Research Council (U.S.). Transportation Research Board. Committee on Operational Effects of Geometrics. Research Problem Statements: Operational Effects of Geometrics. Transportation Research Board, National Academy of Sciences, 1982.