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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAmerican 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.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAmerican 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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