Não informado. (1985). Building Services. Chartered Institution of Building Services Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Building Services. London: Chartered Institution of Building Services Engineers, 1985.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Building Services. Chartered Institution of Building Services Engineers, 1985.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.