National Cooperative Highway Research Program, American Association of State Highway and Transportation Officials, National Research Council (U.S.). Transportation Research Board, & Harrington-Hughes, K. (2000). Primer: Environmental impact of construction and repair materials on surface and ground waters. National Academy Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)National Cooperative Highway Research Program, American Association of State Highway and Transportation Officials, National Research Council (U.S.). Transportation Research Board, και Kathryn Harrington-Hughes. Primer: Environmental Impact of Construction and Repair Materials on Surface and Ground Waters. Washington, D.C: National Academy Press, 2000.
Παραπομπή σε μορφή MLA (9th εκδ.)National Cooperative Highway Research Program, et al. Primer: Environmental Impact of Construction and Repair Materials on Surface and Ground Waters. National Academy Press, 2000.