Collura, J. (1982). Transit ownership/operation options for small urban and rural areas. Transportation Research Board, National Research Council.
Chicago-referens (17:e uppl.)Collura, John. Transit Ownership/operation Options for Small Urban and Rural Areas. Washington, D.C: Transportation Research Board, National Research Council, 1982.
MLA-referens (9:e uppl.)Collura, John. Transit Ownership/operation Options for Small Urban and Rural Areas. Transportation Research Board, National Research Council, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.