Não informado. (1996). Building Services Journal. Building Services Publications.
Chicago-referens (17:e uppl.)Não informado. Building Services Journal. London: Building Services Publications, 1996.
MLA-referens (8:e uppl.)Não informado. Building Services Journal. Building Services Publications, 1996.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.