Zinsser, H., & Castaneda, M. R. (1931). STUDIES ON TYPHUS FEVER: V. ACTIVE IMMUNIZATION AGAINST TYPHUS FEVER WITH FORMALINIZED VIRUS. The Rockefeller University Press.
Dyfyniad Arddull ChicagoZinsser, Hans, and M. Ruiz Castaneda. STUDIES ON TYPHUS FEVER: V. ACTIVE IMMUNIZATION AGAINST TYPHUS FEVER WITH FORMALINIZED VIRUS. The Rockefeller University Press, 1931.
Dyfyniad MLAZinsser, Hans, and M. Ruiz Castaneda. STUDIES ON TYPHUS FEVER: V. ACTIVE IMMUNIZATION AGAINST TYPHUS FEVER WITH FORMALINIZED VIRUS. The Rockefeller University Press, 1931.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.