Dyfyniad APA

Restatement of the law. Volume.21 , 1948. American Law Institute Publishers.

Dyfyniad Arddull Chicago

Restatement of the Law. Volume.21 , 1948. St.Paul: American Law Institute Publishers.

Dyfyniad MLA

Restatement of the Law. Volume.21 , 1948. American Law Institute Publishers.

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