Não informado. (1985). Building Services. Chartered Institution of Building Services Engineers.
Chicago-referens (17:e uppl.)Não informado. Building Services. London: Chartered Institution of Building Services Engineers, 1985.
MLA-referens (8:e uppl.)Não informado. Building Services. Chartered Institution of Building Services Engineers, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.