Não informado. (1981). Ground Water Monitoring Review. Water Well Journal Publishing.
Cita Chicago Style (17a ed.)Não informado. Ground Water Monitoring Review. Worthington, Ohio: Water Well Journal Publishing, 1981.
Cita MLA (8a ed.)Não informado. Ground Water Monitoring Review. Water Well Journal Publishing, 1981.
Precaución: Estas citas no son 100% exactas.