Dyfyniad APA

National Research Council (U.S.). Transportation Research Board. (1993). Freeway operations and high-occupancy vehicle systems. National Academy Press.

Dyfyniad Arddull Chicago

National Research Council (U.S.). Transportation Research Board. Freeway Operations and High-occupancy Vehicle Systems. Washington, D.C: National Academy Press, 1993.

Dyfyniad MLA

National Research Council (U.S.). Transportation Research Board. Freeway Operations and High-occupancy Vehicle Systems. National Academy Press, 1993.

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