Não informado. (1993). Groundwater Monitoring and Remendiation. Ground Water Publishing.
Chicago (17e ed.) BronvermeldingNão informado. Groundwater Monitoring and Remendiation. Dublin, Ohio: Ground Water Publishing, 1993.
MLA (8e ed.) BronvermeldingNão informado. Groundwater Monitoring and Remendiation. Ground Water Publishing, 1993.
Let op: Deze citaties zijn niet altijd 100% accuraat.