Não informado. (1983). Animal Technology. Institute of Animal Technicians.
Lua i Stíl Chicago (17ú heag.)Não informado. Animal Technology. London: Institute of Animal Technicians, 1983.
Lua MLA (8ú heag.)Não informado. Animal Technology. Institute of Animal Technicians, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.