APA-viite (7. p.)
Bloetscher, F. (2011). Utility management for water and wastewater operators. American Water Works Association.
Chicago-viite (17. p.)
Bloetscher, Frederick. Utility Management for Water and Wastewater Operators. Denver, Colo.: American Water Works Association, 2011.
MLA-viite (9. p.)
Bloetscher, Frederick. Utility Management for Water and Wastewater Operators. American Water Works Association, 2011.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.