Não informado. (2008). Occasional Papers in Eastern Botany. Southern Appalachian Botanical Society.
Lua i Stíl Chicago (17ú heag.)Não informado. Occasional Papers in Eastern Botany. Morgantown, Wa. Va: Southern Appalachian Botanical Society, 2008.
Lua MLA (8ú heag.)Não informado. Occasional Papers in Eastern Botany. Southern Appalachian Botanical Society, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.