National Research Council (U.S.). Transportation Research Board. (1988). State role in public transportation. Transportation Research Board, National Research Council.
Chicago-referens (17:e uppl.)National Research Council (U.S.). Transportation Research Board. State Role in Public Transportation. Washington, D.C: Transportation Research Board, National Research Council, 1988.
MLA-referens (9:e uppl.)National Research Council (U.S.). Transportation Research Board. State Role in Public Transportation. Transportation Research Board, National Research Council, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.