Não informado. (2004). Journal of the Environmental Engineering Division. American Society of Civil Engineers.
Chicago (17e ed.) BronvermeldingNão informado. Journal of the Environmental Engineering Division. New York: American Society of Civil Engineers, 2004.
MLA (8e ed.) BronvermeldingNão informado. Journal of the Environmental Engineering Division. American Society of Civil Engineers, 2004.
Let op: Deze citaties zijn niet altijd 100% accuraat.