National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, United States. Federal Highway Administration, & Blackburn, R. R. (2004). Snow and ice control: Guidelines for materials and methods. Transportation Research Board.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, United States. Federal Highway Administration, và R. R. Blackburn. Snow and Ice Control: Guidelines for Materials and Methods. Washington, D.C: Transportation Research Board, 2004.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)National Cooperative Highway Research Program, et al. Snow and Ice Control: Guidelines for Materials and Methods. Transportation Research Board, 2004.