American Association of State Highway and Transportation Officials Task Force on Hydrology and Hydraulics. (1992). Highway drainage guidelines. American Association of State Highway and Transportation Officials.
Παραπομπή σε μορφή Chicago (17η εκδ.)American Association of State Highway and Transportation Officials Task Force on Hydrology and Hydraulics. Highway Drainage Guidelines. American Association of State Highway and Transportation Officials, 1992.
Παραπομπή σε μορφή MLA (8th εκδ.)American Association of State Highway and Transportation Officials Task Force on Hydrology and Hydraulics. Highway Drainage Guidelines. American Association of State Highway and Transportation Officials, 1992.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.