Não informado. (1982). Renewable Resources Journal. Renewable Natural Resources Foundation.
Lua i Stíl Chicago (17ú heag.)Não informado. Renewable Resources Journal. Bethesda, Md: Renewable Natural Resources Foundation, 1982.
Lua MLA (8ú heag.)Não informado. Renewable Resources Journal. Renewable Natural Resources Foundation, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.