APA

Transportation Research Record nr 638, . (1977). Transportation planning techniques for small communities. Washington DC: Transportation Research Record nr 638.

Chicago

Transportation Research Record nr 638, . 1977. Transportation planning techniques for small communities. Washington DC: Transportation Research Record nr 638.

Harvard

Transportation Research Record nr 638, . (1977). Transportation planning techniques for small communities. Washington DC: Transportation Research Record nr 638.

MLA

Transportation Research Record nr 638, . Transportation planning techniques for small communities. Washington DC: Transportation Research Record nr 638. 1977.