Dyfyniad APA

Bacon, H. E. (1949). Anus, rectum, sigmoid colon: Diagnosis and treatment (3d ed.). J.B. Lippincott Co.

Dyfyniad Arddull Chicago

Bacon, Harry E. Anus, Rectum, Sigmoid Colon: Diagnosis and Treatment. 3d ed. Philadelphia: J.B. Lippincott Co, 1949.

Dyfyniad MLA

Bacon, Harry E. Anus, Rectum, Sigmoid Colon: Diagnosis and Treatment. 3d ed. J.B. Lippincott Co, 1949.

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