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.
Citação do estilo Chicago (17ª ed.)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.
Citação MLA (9ª ed.)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.