California. Dept. of Health. (1948). A manual for the control of communicable diseases in California. The Department.
Dyfyniad Arddull ChicagoCalifornia. Dept. of Health. A Manual for the Control of Communicable Diseases in California. Sacramento: The Department, 1948.
Dyfyniad MLACalifornia. Dept. of Health. A Manual for the Control of Communicable Diseases in California. The Department, 1948.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.