Heiss, W. H. (1976). Highway fog: Visibility measures and guidance systems. Transportation Research Board, National Research Council.
Chicago Style aipamenaHeiss, William H. Highway Fog: Visibility Measures and Guidance Systems. Washington, D.C: Transportation Research Board, National Research Council, 1976.
MLA aipamenaHeiss, William H. Highway Fog: Visibility Measures and Guidance Systems. Transportation Research Board, National Research Council, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.