National Research Council (U.S.). Transportation Research Board, United States. Federal Highway Administration, & American Association of State Highway and Transportation Officials. (1976). Transportation requirements for the handicapped, elderly, and economically disadvantaged. Transportation Research Board, National Research Council.
Chicago (17e ed.) BronvermeldingNational Research Council (U.S.). Transportation Research Board, United States. Federal Highway Administration, en American Association of State Highway and Transportation Officials. Transportation Requirements for the Handicapped, Elderly, and Economically Disadvantaged. Washington: Transportation Research Board, National Research Council, 1976.
MLA (8e ed.) BronvermeldingNational Research Council (U.S.). Transportation Research Board, et al. Transportation Requirements for the Handicapped, Elderly, and Economically Disadvantaged. Transportation Research Board, National Research Council, 1976.