Não informado. (1985). Building Services. Chartered Institution of Building Services Engineers.
Cita Chicago Style (17a ed.)Não informado. Building Services. London: Chartered Institution of Building Services Engineers, 1985.
Cita MLA (8a ed.)Não informado. Building Services. Chartered Institution of Building Services Engineers, 1985.
Precaución: Estas citas no son 100% exactas.