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.
Chicago Style (17. basım) AtıfNational 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, ve R. R. Blackburn. Snow and Ice Control: Guidelines for Materials and Methods. Washington, D.C: Transportation Research Board, 2004.
MLA (9th ed.) AtıfNational Cooperative Highway Research Program, et al. Snow and Ice Control: Guidelines for Materials and Methods. Transportation Research Board, 2004.