Não informado. (1969). Occasional papers of the Farlow Herbarium of Cryptogamic Botany. Harvard University.
Lua i Stíl Chicago (17ú heag.)Não informado. Occasional Papers of the Farlow Herbarium of Cryptogamic Botany. Cambridge, Mass: Harvard University, 1969.
Lua MLA (8ú heag.)Não informado. Occasional Papers of the Farlow Herbarium of Cryptogamic Botany. Harvard University, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.