APA-referens (7:e uppl.)

Não informado. (1993). Groundwater Monitoring and Remendiation. Ground Water Publishing.

Chicago-referens (17:e uppl.)

Não informado. Groundwater Monitoring and Remendiation. Dublin, Ohio: Ground Water Publishing, 1993.

MLA-referens (8:e uppl.)

Não informado. Groundwater Monitoring and Remendiation. Ground Water Publishing, 1993.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.