Não informado. (1991). Environmental Toxicology and Water Quality. John Wiley & Sons.
Chicago (17e ed.) BronvermeldingNão informado. Environmental Toxicology and Water Quality. New York: John Wiley & Sons, 1991.
MLA (8e ed.) BronvermeldingNão informado. Environmental Toxicology and Water Quality. John Wiley & Sons, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.