Não informado. (1984). Pigs: An international magazine on pig keeping. Misset International.
Chicago-viite (17. p.)Não informado. Pigs: An International Magazine on Pig Keeping. Doetinchen, Holanda: Misset International, 1984.
MLA-viite (8. p.)Não informado. Pigs: An International Magazine on Pig Keeping. Misset International, 1984.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.