Não informado. (2002). Civil engineering technology. Society of Civil Engineering Technicians.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Civil Engineering Technology. London: Society of Civil Engineering Technicians, 2002.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Civil Engineering Technology. Society of Civil Engineering Technicians, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.