National Research Council (U.S.). Transportation Research Board. (1989). Safety factors related to high-speed rail passenger systems. Transportation Research Board, National Research Council.
Chicago-referens (17:e uppl.)National Research Council (U.S.). Transportation Research Board. Safety Factors Related to High-speed Rail Passenger Systems. Washington, D.C: Transportation Research Board, National Research Council, 1989.
MLA-referens (9:e uppl.)National Research Council (U.S.). Transportation Research Board. Safety Factors Related to High-speed Rail Passenger Systems. Transportation Research Board, National Research Council, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.