Knovel (Firm), National Cooperative Highway Research Program, American Association of State Highway and Transportation Officials, & United States. Federal Highway Administration. (2016). Converting paved roads to unpaved. Transportation Research Board.
Chicago Style (17th ed.) CitationKnovel (Firm), National Cooperative Highway Research Program, American Association of State Highway and Transportation Officials, and United States. Federal Highway Administration. Converting Paved Roads to Unpaved. Washington, D.C.: Transportation Research Board, 2016.
MLA (9th ed.) CitationKnovel (Firm), et al. Converting Paved Roads to Unpaved. Transportation Research Board, 2016.
Warning: These citations may not always be 100% accurate.