National Research Council (U.S.). Transportation Research Board. Committee on Highway Capacity and Quality of Service. (1987). Research problem statements: Highway capacity. Transportation Research Board, National Research Council.
Chicago-referens (17:e uppl.)National Research Council (U.S.). Transportation Research Board. Committee on Highway Capacity and Quality of Service. Research Problem Statements: Highway Capacity. Washington, D.C: Transportation Research Board, National Research Council, 1987.
MLA-referens (9:e uppl.)National Research Council (U.S.). Transportation Research Board. Committee on Highway Capacity and Quality of Service. Research Problem Statements: Highway Capacity. Transportation Research Board, National Research Council, 1987.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.