Não informado. (1986). Air & Water Pollution Control. Bureau of National Affairs.
Chicago (17e ed.) BronvermeldingNão informado. Air & Water Pollution Control. Washington: Bureau of National Affairs, 1986.
MLA (8e ed.) BronvermeldingNão informado. Air & Water Pollution Control. Bureau of National Affairs, 1986.
Let op: Deze citaties zijn niet altijd 100% accuraat.