American Society of Civil Engineers, American Society of Civil Engineers. Urban Drainage Standards Committee, & Environmental and Water Resources Institute (U.S.). (2006). Standard guidelines for the design of urban subsurface drainage, ASCE/EWRI 12-05 ; Standard guidelines for the installation of urban subsurface drainage, ASCE/EWRI 13-05 ; Standard guidelines for the operation and maintenance of urban subsurface drainage, ASCE/EWRI 14-05. American Society of Civil Engineers. https://doi.org/10.1061/9780784408117

American Society of Civil Engineers, American Society of Civil Engineers. Urban Drainage Standards Committee, a Environmental and Water Resources Institute (U.S.). Standard Guidelines for the Design of Urban Subsurface Drainage, ASCE/EWRI 12-05 ; Standard Guidelines for the Installation of Urban Subsurface Drainage, ASCE/EWRI 13-05 ; Standard Guidelines for the Operation and Maintenance of Urban Subsurface Drainage, ASCE/EWRI 14-05. Reston, Virginia: American Society of Civil Engineers, 2006. https://doi.org/10.1061/9780784408117.

American Society of Civil Engineers, et al. Standard Guidelines for the Design of Urban Subsurface Drainage, ASCE/EWRI 12-05 ; Standard Guidelines for the Installation of Urban Subsurface Drainage, ASCE/EWRI 13-05 ; Standard Guidelines for the Operation and Maintenance of Urban Subsurface Drainage, ASCE/EWRI 14-05. American Society of Civil Engineers, 2006. https://doi.org/10.1061/9780784408117.