APA-viite (7. p.)
Ginley, J. F., & Humphrey, T. A. (2009). Operational guide to AWWA standard G400: Utility management system. American Water Works Association.
Chicago-viite (17. p.)
Ginley, James F., ja Todd A. Humphrey. Operational Guide to AWWA Standard G400: Utility Management System. Denver: American Water Works Association, 2009.
MLA-viite (9. p.)
Ginley, James F., ja Todd A. Humphrey. Operational Guide to AWWA Standard G400: Utility Management System. American Water Works Association, 2009.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.