Dyfyniad APA

American Bar Association. Canons of Professional Ethics. American Bar Asso.

Dyfyniad Arddull Chicago

American Bar Association. Canons of Professional Ethics. Illinois: American Bar Asso.

Dyfyniad MLA

American Bar Association. Canons of Professional Ethics. American Bar Asso.

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