Dyfyniad APA

(1994). Highway capacity manual (3a. ed.). Transportation Research Board.

Dyfyniad Arddull Chicago

Highway Capacity Manual. 3a. ed. Washington, D.C: Transportation Research Board, 1994.

Dyfyniad MLA

Highway Capacity Manual. 3a. ed. Transportation Research Board, 1994.

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