J W Reid. (1955). Pigs (2.). Farmer and stock-Breeder publications Ltd.
Chicago Style aipamenaJ W Reid. Pigs. 2. Farmer and stock-Breeder publications Ltd, 1955.
MLA aipamenaJ W Reid. Pigs. 2. Farmer and stock-Breeder publications Ltd, 1955.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.