Não informado. (1993). Groundwater Monitoring and Remendiation. Ground Water Publishing.
Cita Chicago Style (17a ed.)Não informado. Groundwater Monitoring and Remendiation. Dublin, Ohio: Ground Water Publishing, 1993.
Cita MLA (8a ed.)Não informado. Groundwater Monitoring and Remendiation. Ground Water Publishing, 1993.
Precaución: Estas citas no son 100% exactas.