Não informado. (2005). Memoirs of the Gray Herbarium of Harvard University. Harvard University.
Lua i Stíl Chicago (17ú heag.)Não informado. Memoirs of the Gray Herbarium of Harvard University. Cambridge, Mass: Harvard University, 2005.
Lua MLA (8ú heag.)Não informado. Memoirs of the Gray Herbarium of Harvard University. Harvard University, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.