American Association of State Highway and Transportation Officials Task Force on Hydrology and Hydraulics. (1991). Model drainage manual 1991. American Association of State Highway and Transportation Officials.
Chicago Style (17th ed.) CitationAmerican Association of State Highway and Transportation Officials Task Force on Hydrology and Hydraulics. Model Drainage Manual 1991. American Association of State Highway and Transportation Officials, 1991.
MLA (8th ed.) CitationAmerican Association of State Highway and Transportation Officials Task Force on Hydrology and Hydraulics. Model Drainage Manual 1991. American Association of State Highway and Transportation Officials, 1991.
Warning: These citations may not always be 100% accurate.