APA

Transportation Research Board. Special report nr 172, . (1977). Transportation system management. Washington DC: Transportation Research Board. Special report nr 172.

Chicago

Transportation Research Board. Special report nr 172, . 1977. Transportation system management. Washington DC: Transportation Research Board. Special report nr 172.

Harvard

Transportation Research Board. Special report nr 172, . (1977). Transportation system management. Washington DC: Transportation Research Board. Special report nr 172.

MLA

Transportation Research Board. Special report nr 172, . Transportation system management. Washington DC: Transportation Research Board. Special report nr 172. 1977.