Não informado. (1969). Botanical Journal of the Linnean Society. Academic Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Botanical Journal of the Linnean Society. London: Academic Press, 1969.
Lua MLA (8ú heag.)Não informado. Botanical Journal of the Linnean Society. Academic Press, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.