Não informado. (2004). Journal of the Environmental Engineering Division. American Society of Civil Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of the Environmental Engineering Division. New York: American Society of Civil Engineers, 2004.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of the Environmental Engineering Division. American Society of Civil Engineers, 2004.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.