APA
Transportation Research Record nr 621-624, . (1977). Skid prevention conference. International. 2. Columbus, Ohio, 1977. Proceedings. Washington DC: Transportation Research Record nr 621-624.
Chicago
Transportation Research Record nr 621-624, . 1977. Skid prevention conference. International. 2. Columbus, Ohio, 1977. Proceedings. Washington DC: Transportation Research Record nr 621-624.
Harvard
Transportation Research Record nr 621-624, . (1977). Skid prevention conference. International. 2. Columbus, Ohio, 1977. Proceedings. Washington DC: Transportation Research Record nr 621-624.
MLA
Transportation Research Record nr 621-624, . Skid prevention conference. International. 2. Columbus, Ohio, 1977. Proceedings. Washington DC: Transportation Research Record nr 621-624. 1977.