Não informado. (2008). Threatened Plants Newsletter. International Union for Conservation of Nature and Natural Resources.
Lua i Stíl Chicago (17ú heag.)Não informado. Threatened Plants Newsletter. Kew, Inglaterra: International Union for Conservation of Nature and Natural Resources, 2008.
Lua MLA (8ú heag.)Não informado. Threatened Plants Newsletter. International Union for Conservation of Nature and Natural Resources, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.