Dyfyniad APA

Skegg, D., Richards, S., & Doll, R. (1979). Minor tranquillisers and road accidents.

Dyfyniad Arddull Chicago

Skegg, D., S. Richards, and R. Doll. Minor Tranquillisers and Road Accidents. 1979.

Dyfyniad MLA

Skegg, D., et al. Minor Tranquillisers and Road Accidents. 1979.

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