Não informado. (1981). Nordic Journal of Botany. Council for Nordic Publications in Botany.
Lua i Stíl Chicago (17ú heag.)Não informado. Nordic Journal of Botany. Copenhagen: Council for Nordic Publications in Botany, 1981.
Lua MLA (8ú heag.)Não informado. Nordic Journal of Botany. Council for Nordic Publications in Botany, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.