Dyfyniad APA

National Research Council (U.S.). Transportation Research Board. (1995). Assessing worldwide low-volume roads: Problems, needs, and impacts. Transportation Research Board, National Research Council.

Dyfyniad Arddull Chicago

National Research Council (U.S.). Transportation Research Board. Assessing Worldwide Low-volume Roads: Problems, Needs, and Impacts. Washington, D.C: Transportation Research Board, National Research Council, 1995.

Dyfyniad MLA

National Research Council (U.S.). Transportation Research Board. Assessing Worldwide Low-volume Roads: Problems, Needs, and Impacts. Transportation Research Board, National Research Council, 1995.

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