Não informado. (2008). Italian Journal of Animal Science. Scientific Association of Animal Production.
Chicago-referens (17:e uppl.)Não informado. Italian Journal of Animal Science. Bologna, Italia: Scientific Association of Animal Production, 2008.
MLA-referens (8:e uppl.)Não informado. Italian Journal of Animal Science. Scientific Association of Animal Production, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.