American Association of State Highway and Transportation Officials, United States. Federal Highway Administration, & Ross, H. E. (1989). Roadside safety design for small vehicles. Transportation Research Board, National Research Council.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)American Association of State Highway and Transportation Officials, United States. Federal Highway Administration, và Hayes E. Ross. Roadside Safety Design for Small Vehicles. Washington, D.C: Transportation Research Board, National Research Council, 1989.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)American Association of State Highway and Transportation Officials, et al. Roadside Safety Design for Small Vehicles. Transportation Research Board, National Research Council, 1989.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.