Budd, W. (1855). CHOLERA: ITS CAUSE AND PREVENTION.
Dyfyniad Arddull ChicagoBudd, W. CHOLERA: ITS CAUSE AND PREVENTION. 1855.
Dyfyniad MLABudd, W. CHOLERA: ITS CAUSE AND PREVENTION. 1855.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.