-. The American journal of Digestive Diseases Volume 9 January, 1942. William R. Warner & Company,INC.
Dyfyniad Arddull Chicago-. The American Journal of Digestive Diseases Volume 9 January, 1942. William R. Warner & Company,INC.
Dyfyniad MLA-. The American Journal of Digestive Diseases Volume 9 January, 1942. William R. Warner & Company,INC.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.