Não informado. (2004). International goat and sheep research. Dairy Goat Journal Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. International Goat and Sheep Research. Scottsdale, Ariz: Dairy Goat Journal Publishers, 2004.
Lua MLA (8ú heag.)Não informado. International Goat and Sheep Research. Dairy Goat Journal Publishers, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.