National Research Council (U.S.). Highway Research Board & National Research Council (U.S.). Transportation Research Board. (1974). Planning for bus transit: 4 reports prepared for the 53rd annual meeting of the Highway Research Board. Transportation Research Board, National Research Council.
Chicago-referens (17:e uppl.)National Research Council (U.S.). Highway Research Board och National Research Council (U.S.). Transportation Research Board. Planning for Bus Transit: 4 Reports Prepared for the 53rd Annual Meeting of the Highway Research Board. Washington: Transportation Research Board, National Research Council, 1974.
MLA-referens (9:e uppl.)National Research Council (U.S.). Highway Research Board och National Research Council (U.S.). Transportation Research Board. Planning for Bus Transit: 4 Reports Prepared for the 53rd Annual Meeting of the Highway Research Board. Transportation Research Board, National Research Council, 1974.