Não informado. (1985). Building Services. Chartered Institution of Building Services Engineers.
Citação do estilo Chicago (17ª ed.)Não informado. Building Services. London: Chartered Institution of Building Services Engineers, 1985.
Citação MLA (8ª ed.)Não informado. Building Services. Chartered Institution of Building Services Engineers, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.