(1919). Influenza Epidemic in South Africa: Fifty Thousand Deaths. Hospital (Lond 1886).
Dyfyniad Arddull Chicago"Influenza Epidemic in South Africa: Fifty Thousand Deaths." Hospital (Lond 1886) 1919.
Dyfyniad MLA"Influenza Epidemic in South Africa: Fifty Thousand Deaths." Hospital (Lond 1886) 1919.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.