Soulsby,E J L. (1972). Immunity to Animal Parasites. AP.
Chicago Style aipamenaSoulsby,E J L. Immunity to Animal Parasites. New York: AP, 1972.
MLA aipamenaSoulsby,E J L. Immunity to Animal Parasites. AP, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.