Dyfyniad APA

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.

Dyfyniad Arddull Chicago

National Cooperative Highway Research Program, American Association of State Highway and Transportation Officials, National Research Council (U.S.). Transportation Research Board, and Kathryn Harrington-Hughes. Primer: Environmental Impact of Construction and Repair Materials on Surface and Ground Waters. Washington, D.C: National Academy Press, 2000.

Dyfyniad MLA

National Cooperative Highway Research Program, et al. Primer: Environmental Impact of Construction and Repair Materials on Surface and Ground Waters. National Academy Press, 2000.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.