Não informado. (1981). Ground Water Monitoring Review. Water Well Journal Publishing.
Chicago (17e ed.) BronvermeldingNão informado. Ground Water Monitoring Review. Worthington, Ohio: Water Well Journal Publishing, 1981.
MLA (8e ed.) BronvermeldingNão informado. Ground Water Monitoring Review. Water Well Journal Publishing, 1981.
Let op: Deze citaties zijn niet altijd 100% accuraat.