Não informado. (2000). Natural Resources Research. Kluner Academic.
Lua i Stíl Chicago (17ú heag.)Não informado. Natural Resources Research. New York: Kluner Academic, 2000.
Lua MLA (8ú heag.)Não informado. Natural Resources Research. Kluner Academic, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.