Western Journal of Applied Forestry. Society of American Foresters.
Lua i Stíl Chicago (17ú heag.)Western Journal of Applied Forestry. Society of American Foresters.
Lua MLA (9ú heag.)Western Journal of Applied Forestry. Society of American Foresters.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.