Não informado. (1993). Groundwater Monitoring and Remendiation. Ground Water Publishing.
Chicago-Zitierstil (17. Ausg.)Não informado. Groundwater Monitoring and Remendiation. Dublin, Ohio: Ground Water Publishing, 1993.
MLA-Zitierstil (8. Ausg.)Não informado. Groundwater Monitoring and Remendiation. Ground Water Publishing, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.