International Conference on Low-volume Roads Iowa State University. (1980). Low-volume roads: Second International Conference : addresses and research needs. Transportation Research Board, National Academy of Sciences.
Citazione stile Chigago Style (17a edizione)International Conference on Low-volume Roads Iowa State University. Low-volume Roads: Second International Conference : Addresses and Research Needs. Washington, D.C: Transportation Research Board, National Academy of Sciences, 1980.
Citatione MLA (9a ed.)International Conference on Low-volume Roads Iowa State University. Low-volume Roads: Second International Conference : Addresses and Research Needs. Transportation Research Board, National Academy of Sciences, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.