Dyfyniad APA

National Research Council (U.S.). Transportation Research Board. Meeting. (1990). Transportation management, HOV systems, and geometric design and effects, 1990. Transportation Research Board, National Research Council.

Dyfyniad Arddull Chicago

National Research Council (U.S.). Transportation Research Board. Meeting. Transportation Management, HOV Systems, and Geometric Design and Effects, 1990. Washington, D.C: Transportation Research Board, National Research Council, 1990.

Dyfyniad MLA

National Research Council (U.S.). Transportation Research Board. Meeting. Transportation Management, HOV Systems, and Geometric Design and Effects, 1990. Transportation Research Board, National Research Council, 1990.

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