Wilkins, E. G., & Roberts, C. (1988). Extraintestinal salmonellosis. Cambridge University Press.
Chicago Style aipamenaWilkins, E. G., and C. Roberts. Extraintestinal Salmonellosis. Cambridge University Press, 1988.
MLA aipamenaWilkins, E. G., and C. Roberts. Extraintestinal Salmonellosis. Cambridge University Press, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.