National Cooperative Highway Research Program & National Research Council (U.S.). Transportation Research Board. (1983). Continuing project to synthesize information on highway problems. Transportation Research Board.
Citazione stile Chigago Style (17a edizione)National Cooperative Highway Research Program e National Research Council (U.S.). Transportation Research Board. Continuing Project to Synthesize Information on Highway Problems. Washington, D.C: Transportation Research Board, 1983.
Citatione MLA (9a ed.)National Cooperative Highway Research Program e National Research Council (U.S.). Transportation Research Board. Continuing Project to Synthesize Information on Highway Problems. Transportation Research Board, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.