Dyfyniad APA

(1976). Liability of state and local governments for snow and ice control. Transportation Research Board, National Research Council.

Dyfyniad Arddull Chicago

Liability of State and Local Governments for Snow and Ice Control. Washington, D.C: Transportation Research Board, National Research Council, 1976.

Dyfyniad MLA

Liability of State and Local Governments for Snow and Ice Control. Transportation Research Board, National Research Council, 1976.

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