Dyfyniad APA

American National Red Cross. The American Red Cross Bulletin (Vol. IV, No. 4, October 1909).

Dyfyniad Arddull Chicago

American National Red Cross. The American Red Cross Bulletin (Vol. IV, No. 4, October 1909).

Dyfyniad MLA

American National Red Cross. The American Red Cross Bulletin (Vol. IV, No. 4, October 1909).

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