National Research Council (U.S.). Transportation Research Board. (1989). Safety factors related to high-speed rail passenger systems. Transportation Research Board, National Research Council.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)National Research Council (U.S.). Transportation Research Board. Safety Factors Related to High-speed Rail Passenger Systems. Transportation Research Board, National Research Council, 1989.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.