Não informado. (2018). Research Note. Forest Research Laboratory.
Lua i Stíl Chicago (17ú heag.)Não informado. Research Note. Corvallis, Ore: Forest Research Laboratory, 2018.
Lua MLA (8ú heag.)Não informado. Research Note. Forest Research Laboratory, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.