National Research Council (U.S.). Highway Research Board. (1974). Interactive graphics and transportation system planning: 7 reports prepared for the 53rd Annual Meeting of the Highway Research Board. Transportation Research Board, National Research Council.
Παραπομπή σε μορφή Chicago (17η εκδ.)National Research Council (U.S.). Highway Research Board. Interactive Graphics and Transportation System Planning: 7 Reports Prepared for the 53rd Annual Meeting of the Highway Research Board. Washington: Transportation Research Board, National Research Council, 1974.
Παραπομπή σε μορφή MLA (9th εκδ.)National Research Council (U.S.). Highway Research Board. Interactive Graphics and Transportation System Planning: 7 Reports Prepared for the 53rd Annual Meeting of the Highway Research Board. Transportation Research Board, National Research Council, 1974.