Não informado. (2002). Sheep & goat research journal. National Institute for Animal Agriculture.
Lua i Stíl Chicago (17ú heag.)Não informado. Sheep & Goat Research Journal. Englewood, Colo: National Institute for Animal Agriculture, 2002.
Lua MLA (8ú heag.)Não informado. Sheep & Goat Research Journal. National Institute for Animal Agriculture, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.