Παραπομπή σε μορφή APA (7η εκδ.)

National Research Council (U.S.). Transportation Research Board. (1989). Safety factors related to high-speed rail passenger systems. Transportation Research Board, National Research Council.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (9th εκδ.)

National Research Council (U.S.). Transportation Research Board. Safety Factors Related to High-speed Rail Passenger Systems. Transportation Research Board, National Research Council, 1989.