V Kouba. (1982). Animal health year book 1981. FAO.
Chicago Style aipamenaV Kouba. Animal Health Year Book 1981. FAO, 1982.
MLA aipamenaV Kouba. Animal Health Year Book 1981. FAO, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
V Kouba. (1982). Animal health year book 1981. FAO.
Chicago Style aipamenaV Kouba. Animal Health Year Book 1981. FAO, 1982.
MLA aipamenaV Kouba. Animal Health Year Book 1981. FAO, 1982.