Não informado. (1978). International Building Services Abstracts. Building Services Research and Information Association.
Lua i Stíl Chicago (17ú heag.)Não informado. International Building Services Abstracts. Bracknell, Inglaterra: Building Services Research and Information Association, 1978.
Lua MLA (8ú heag.)Não informado. International Building Services Abstracts. Building Services Research and Information Association, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.