Dyfyniad APA

(2004). World report on road traffic injury prevention.

Dyfyniad Arddull Chicago

World Report on Road Traffic Injury Prevention. 2004.

Dyfyniad MLA

World Report on Road Traffic Injury Prevention. 2004.

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