Dyfyniad APA

American Automobile Association & Kenel, F. C. Responsible driving.

Dyfyniad Arddull Chicago

American Automobile Association and Francis C. Kenel. Responsible Driving.

Dyfyniad MLA

American Automobile Association and Francis C. Kenel. Responsible Driving.

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