Dyfyniad APA

Ellis,Ronald W. (1992). Vaccines: :new approaches to immunological problems. Botterworth.

Dyfyniad Arddull Chicago

Ellis,Ronald W. Vaccines: :new Approaches to Immunological Problems. London: Botterworth, 1992.

Dyfyniad MLA

Ellis,Ronald W. Vaccines: :new Approaches to Immunological Problems. Botterworth, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.