Não informado. (1971). Canadian Journal of Forest Research. National Research Council.
Lua i Stíl Chicago (17ú heag.)Não informado. Canadian Journal of Forest Research. Ottawa: National Research Council, 1971.
Lua MLA (8ú heag.)Não informado. Canadian Journal of Forest Research. National Research Council, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.