Não informado. (1971). New Zealand Journal of Forestry Science. New Zealand Forest Research.
Lua i Stíl Chicago (17ú heag.)Não informado. New Zealand Journal of Forestry Science. Rotorua, Nova Zelandia: New Zealand Forest Research, 1971.
Lua MLA (8ú heag.)Não informado. New Zealand Journal of Forestry Science. New Zealand Forest Research, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.