American Society of Civil Engineers. (2013). Standard guidelines for the design, installation, and operation and maintenance of urban subsurface drainage: Three complete standards. American Society of Civil Engineers.
Tohutoru Kātū Chicago (17th ed.)American Society of Civil Engineers. Standard Guidelines for the Design, Installation, and Operation and Maintenance of Urban Subsurface Drainage: Three Complete Standards. Reston, Virginia: American Society of Civil Engineers, 2013.
Tohutoro MLA (9th ed.)American Society of Civil Engineers. Standard Guidelines for the Design, Installation, and Operation and Maintenance of Urban Subsurface Drainage: Three Complete Standards. American Society of Civil Engineers, 2013.
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