Não informado. (1977). The Pig Veterinary Society Proceedings. Pig Veterinary Society.
Lua i Stíl Chicago (17ú heag.)Não informado. The Pig Veterinary Society Proceedings. Wilts, Inglaterra: Pig Veterinary Society, 1977.
Lua MLA (8ú heag.)Não informado. The Pig Veterinary Society Proceedings. Pig Veterinary Society, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.