Não informado. News of Timber Research. Princes Risborough Laboratory.
Lua i Stíl Chicago (17ú heag.)Não informado. News of Timber Research. Buckinghamshire, Inglaterra: Princes Risborough Laboratory.
Lua MLA (8ú heag.)Não informado. News of Timber Research. Princes Risborough Laboratory.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.