APA ציטוט

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

Chicago Edition Citation

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

ציטוט MLA

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