Não informado. (2004). Civil Engineering and Environmental Systems. Gordon and Breach Science Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Civil Engineering and Environmental Systems. Amsterdam: Gordon and Breach Science Publishers, 2004.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Civil Engineering and Environmental Systems. Gordon and Breach Science Publishers, 2004.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.