Não informado. (1978). International Building Services Abstracts. Building Services Research and Information Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. International Building Services Abstracts. Bracknell, Inglaterra: Building Services Research and Information Association, 1978.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. International Building Services Abstracts. Building Services Research and Information Association, 1978.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.