- Author: James K. Jordan AWWA (American Water Works Association)
- Language: English
- Year: 2010
- Author: AWWA (American Water Works Association)
- Language: English
- Year: 2000
- Author: AWWA (American Water Works Association) Laredo Robinson
- Language: English
- Year: 2012
- Author: AWWA (American Water Works Association)
- Language: English
- Year: 1997