Não informado. (1974). Forestry technical report. Canadian Forestry Service.
Lua i Stíl Chicago (17ú heag.)Não informado. Forestry Technical Report. Ottawa: Canadian Forestry Service, 1974.
Lua MLA (8ú heag.)Não informado. Forestry Technical Report. Canadian Forestry Service, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.