Não informado. (2001). Annual report of the Grassland Research Institute. Grassland Research Institute.
Lua i Stíl Chicago (17ú heag.)Não informado. Annual Report of the Grassland Research Institute. Berkshire, Inglaterra: Grassland Research Institute, 2001.
Lua MLA (8ú heag.)Não informado. Annual Report of the Grassland Research Institute. Grassland Research Institute, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.