APA-čujuhus (7. p.)
Ginley, J. F., & Humphrey, T. A. (2009). Operational guide to AWWA standard G400: Utility management system. American Water Works Association.
Chicago-čujuhus (17. p.)
Ginley, James F., juo Todd A. Humphrey. Operational Guide to AWWA Standard G400: Utility Management System. Denver: American Water Works Association, 2009.
MLA-čujuhus (9. p.)
Ginley, James F., juo Todd A. Humphrey. Operational Guide to AWWA Standard G400: Utility Management System. American Water Works Association, 2009.
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