Não informado. (1978). Forest Products Abstracts. Commonwealth Forestry Bureau.
Lua i Stíl Chicago (17ú heag.)Não informado. Forest Products Abstracts. Farnham Royal, Inglaterra: Commonwealth Forestry Bureau, 1978.
Lua MLA (8ú heag.)Não informado. Forest Products Abstracts. Commonwealth Forestry Bureau, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.