Não informado. (2003). Comparative Immunology, Microbiology and Infectious Diseases. Pergamon Press.
Chicago-referens (17:e uppl.)Não informado. Comparative Immunology, Microbiology and Infectious Diseases. Oxford, Inglaterra: Pergamon Press, 2003.
MLA-referens (8:e uppl.)Não informado. Comparative Immunology, Microbiology and Infectious Diseases. Pergamon Press, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.