Society of Foresters of Great Britain. (1927). Forestry. Oxford University Press, Institute of Chatered Foresters of Great Britain.
Lua i Stíl Chicago (17ú heag.)Society of Foresters of Great Britain. Forestry. Oxford, Inglaterra: Oxford University Press, Institute of Chatered Foresters of Great Britain, 1927.
Lua MLA (8ú heag.)Society of Foresters of Great Britain. Forestry. Oxford University Press, Institute of Chatered Foresters of Great Britain, 1927.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.