National Research Council (U.S.). Transportation Research Board & National Research Council (U.S.). Transportation Research Board. Meeting. (2003). Initiatives in information technology and geospatial science for transportation. Transportation Research Board.
Παραπομπή σε μορφή Chicago (17η εκδ.)National Research Council (U.S.). Transportation Research Board και National Research Council (U.S.). Transportation Research Board. Meeting. Initiatives in Information Technology and Geospatial Science for Transportation. Washington, D.C: Transportation Research Board, 2003.
Παραπομπή σε μορφή MLA (9th εκδ.)National Research Council (U.S.). Transportation Research Board και National Research Council (U.S.). Transportation Research Board. Meeting. Initiatives in Information Technology and Geospatial Science for Transportation. Transportation Research Board, 2003.